[INFO] fetching crate librapidarchive 0.2.0...
[INFO] testing librapidarchive-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate librapidarchive 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate librapidarchive 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate librapidarchive 0.2.0
[INFO] finished tweaking crates.io crate librapidarchive 0.2.0
[INFO] tweaked toml for crates.io crate librapidarchive 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d29d48b78f573d0e4d90075f0a75e1efc50007bd7ace4f694b16776aa56e9715
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d29d48b78f573d0e4d90075f0a75e1efc50007bd7ace4f694b16776aa56e9715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d29d48b78f573d0e4d90075f0a75e1efc50007bd7ace4f694b16776aa56e9715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d29d48b78f573d0e4d90075f0a75e1efc50007bd7ace4f694b16776aa56e9715", kill_on_drop: false }`
[INFO] [stdout] d29d48b78f573d0e4d90075f0a75e1efc50007bd7ace4f694b16776aa56e9715
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5732f4ea14b346ce8c2ed2c1e42aa66b5733c54966b436dc525f83886bd309e5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5732f4ea14b346ce8c2ed2c1e42aa66b5733c54966b436dc525f83886bd309e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling pad v0.1.6
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling librapidarchive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tar/recovery.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn recover_data(sink: &mut ArchivalSink<RecoveryEntry>, format: TarFormat, lost: Vec<DataZone<RecoveryEntry>>) -> io::Result<Option<V...
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<RecoveryEntry>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tar/mod.rs:93:72
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn serialize<I>(traversal: &header::HeaderGenResult, tarball: &mut ArchivalSink<I>) -> io::Result<u64> {
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<I>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traverse.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs/portable.rs:85:117
[INFO] [stdout]    |
[INFO] [stdout] 85 | ..., limit: Option<u64>) -> io::Result<Box<ArchivalSink<I>>> where ffi::OsString: From<P>, P: Clone, I: 'static + Send + Clone + PartialEq {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<I>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fs/portable.rs:120:71
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn open_tape<P: AsRef<path::Path>>(_tapedev: P) -> io::Result<Box<tape::TapeDevice>> where ffi::OsString: From<P>, P: Clone {
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn tape::TapeDevice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs/unix.rs:22:117
[INFO] [stdout]    |
[INFO] [stdout] 22 | ..., limit: Option<u64>) -> io::Result<Box<ArchivalSink<I>>> where ffi::OsString: From<P>, P: Clone, I: 'static + Send + Clone + PartialEq {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<I>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs/unix.rs:50:70
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn open_tape<P: AsRef<path::Path>>(tapedev: P) -> io::Result<Box<tape::TapeDevice>> where ffi::OsString: From<P>, P: Clone {
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn tape::TapeDevice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/traverse.rs:29:33
[INFO] [stdout]    |
[INFO] [stdout] 29 |             IOError(err) => err.description()
[INFO] [stdout]    |                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fs/unix.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let mut username;
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fs/unix.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |     let mut groupname;
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `drain_buf_until_empty`
[INFO] [stdout]    --> src/concurrentbuf.rs:206:8
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn drain_buf_until_empty(&mut self) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this arithmetic operation will overflow
[INFO] [stdout]   --> src/units/data.rs:82:80
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 inner: From::from(I::from_str(&s[..slen - 1])? * NumCast::from(1024 * 1024 * 1024 * 1024).unwrap())
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `1073741824_i32 * 1024_i32`, which would overflow
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(arithmetic_overflow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.35s
[INFO] running `Command { std: "docker" "inspect" "5732f4ea14b346ce8c2ed2c1e42aa66b5733c54966b436dc525f83886bd309e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5732f4ea14b346ce8c2ed2c1e42aa66b5733c54966b436dc525f83886bd309e5", kill_on_drop: false }`
[INFO] [stdout] 5732f4ea14b346ce8c2ed2c1e42aa66b5733c54966b436dc525f83886bd309e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81a3513727e78ef9dca1fa2f75490ba71cb374eaf4fff9cb7e628b505f4dc82e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "81a3513727e78ef9dca1fa2f75490ba71cb374eaf4fff9cb7e628b505f4dc82e", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tar/recovery.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn recover_data(sink: &mut ArchivalSink<RecoveryEntry>, format: TarFormat, lost: Vec<DataZone<RecoveryEntry>>) -> io::Result<Option<V...
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<RecoveryEntry>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tar/mod.rs:93:72
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn serialize<I>(traversal: &header::HeaderGenResult, tarball: &mut ArchivalSink<I>) -> io::Result<u64> {
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<I>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traverse.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs/portable.rs:85:117
[INFO] [stdout]    |
[INFO] [stdout] 85 | ..., limit: Option<u64>) -> io::Result<Box<ArchivalSink<I>>> where ffi::OsString: From<P>, P: Clone, I: 'static + Send + Clone + PartialEq {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<I>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fs/portable.rs:120:71
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn open_tape<P: AsRef<path::Path>>(_tapedev: P) -> io::Result<Box<tape::TapeDevice>> where ffi::OsString: From<P>, P: Clone {
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn tape::TapeDevice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs/unix.rs:22:117
[INFO] [stdout]    |
[INFO] [stdout] 22 | ..., limit: Option<u64>) -> io::Result<Box<ArchivalSink<I>>> where ffi::OsString: From<P>, P: Clone, I: 'static + Send + Clone + PartialEq {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<I>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs/unix.rs:50:70
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn open_tape<P: AsRef<path::Path>>(tapedev: P) -> io::Result<Box<tape::TapeDevice>> where ffi::OsString: From<P>, P: Clone {
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn tape::TapeDevice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/traverse.rs:29:33
[INFO] [stdout]    |
[INFO] [stdout] 29 |             IOError(err) => err.description()
[INFO] [stdout]    |                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fs/unix.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let mut username;
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fs/unix.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |     let mut groupname;
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `drain_buf_until_empty`
[INFO] [stdout]    --> src/concurrentbuf.rs:206:8
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn drain_buf_until_empty(&mut self) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this arithmetic operation will overflow
[INFO] [stdout]   --> src/units/data.rs:82:80
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 inner: From::from(I::from_str(&s[..slen - 1])? * NumCast::from(1024 * 1024 * 1024 * 1024).unwrap())
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `1073741824_i32 * 1024_i32`, which would overflow
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(arithmetic_overflow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling librapidarchive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tar/recovery.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn recover_data(sink: &mut ArchivalSink<RecoveryEntry>, format: TarFormat, lost: Vec<DataZone<RecoveryEntry>>) -> io::Result<Option<V...
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<RecoveryEntry>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tar/mod.rs:93:72
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn serialize<I>(traversal: &header::HeaderGenResult, tarball: &mut ArchivalSink<I>) -> io::Result<u64> {
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<I>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traverse.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs/portable.rs:85:117
[INFO] [stdout]    |
[INFO] [stdout] 85 | ..., limit: Option<u64>) -> io::Result<Box<ArchivalSink<I>>> where ffi::OsString: From<P>, P: Clone, I: 'static + Send + Clone + PartialEq {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<I>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fs/portable.rs:120:71
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn open_tape<P: AsRef<path::Path>>(_tapedev: P) -> io::Result<Box<tape::TapeDevice>> where ffi::OsString: From<P>, P: Clone {
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn tape::TapeDevice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs/unix.rs:22:117
[INFO] [stdout]    |
[INFO] [stdout] 22 | ..., limit: Option<u64>) -> io::Result<Box<ArchivalSink<I>>> where ffi::OsString: From<P>, P: Clone, I: 'static + Send + Clone + PartialEq {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<I>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs/unix.rs:50:70
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn open_tape<P: AsRef<path::Path>>(tapedev: P) -> io::Result<Box<tape::TapeDevice>> where ffi::OsString: From<P>, P: Clone {
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn tape::TapeDevice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/traverse.rs:29:33
[INFO] [stdout]    |
[INFO] [stdout] 29 |             IOError(err) => err.description()
[INFO] [stdout]    |                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fs/unix.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let mut username;
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fs/unix.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |     let mut groupname;
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `drain_buf_until_empty`
[INFO] [stdout]    --> src/concurrentbuf.rs:206:8
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn drain_buf_until_empty(&mut self) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `Command { std: "docker" "inspect" "81a3513727e78ef9dca1fa2f75490ba71cb374eaf4fff9cb7e628b505f4dc82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a3513727e78ef9dca1fa2f75490ba71cb374eaf4fff9cb7e628b505f4dc82e", kill_on_drop: false }`
[INFO] [stdout] 81a3513727e78ef9dca1fa2f75490ba71cb374eaf4fff9cb7e628b505f4dc82e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f81713cb28b27cbc0069e46c400a36131e8f66a49a8ed88db2ad5fb74b76fa9c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f81713cb28b27cbc0069e46c400a36131e8f66a49a8ed88db2ad5fb74b76fa9c", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tar/recovery.rs:72:32
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn recover_data(sink: &mut ArchivalSink<RecoveryEntry>, format: TarFormat, lost: Vec<DataZone<RecoveryEntry>>) -> io::Result<Option<V...
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<RecoveryEntry>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tar/mod.rs:93:72
[INFO] [stderr]    |
[INFO] [stderr] 93 | pub fn serialize<I>(traversal: &header::HeaderGenResult, tarball: &mut ArchivalSink<I>) -> io::Result<u64> {
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<I>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traverse.rs:33:32
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs/portable.rs:85:117
[INFO] [stderr]    |
[INFO] [stderr] 85 | ..., limit: Option<u64>) -> io::Result<Box<ArchivalSink<I>>> where ffi::OsString: From<P>, P: Clone, I: 'static + Send + Clone + PartialEq {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<I>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fs/portable.rs:120:71
[INFO] [stderr]     |
[INFO] [stderr] 120 | pub fn open_tape<P: AsRef<path::Path>>(_tapedev: P) -> io::Result<Box<tape::TapeDevice>> where ffi::OsString: From<P>, P: Clone {
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn tape::TapeDevice`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs/unix.rs:22:117
[INFO] [stderr]    |
[INFO] [stderr] 22 | ..., limit: Option<u64>) -> io::Result<Box<ArchivalSink<I>>> where ffi::OsString: From<P>, P: Clone, I: 'static + Send + Clone + PartialEq {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<I>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs/unix.rs:50:70
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub fn open_tape<P: AsRef<path::Path>>(tapedev: P) -> io::Result<Box<tape::TapeDevice>> where ffi::OsString: From<P>, P: Clone {
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn tape::TapeDevice`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/traverse.rs:29:33
[INFO] [stderr]    |
[INFO] [stderr] 29 |             IOError(err) => err.description()
[INFO] [stderr]    |                                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/fs/unix.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let mut username;
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/fs/unix.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |     let mut groupname;
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `drain_buf_until_empty`
[INFO] [stderr]    --> src/concurrentbuf.rs:206:8
[INFO] [stderr]     |
[INFO] [stderr] 206 |     fn drain_buf_until_empty(&mut self) -> io::Result<()> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this arithmetic operation will overflow
[INFO] [stderr]   --> src/units/data.rs:82:80
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 inner: From::from(I::from_str(&s[..slen - 1])? * NumCast::from(1024 * 1024 * 1024 * 1024).unwrap())
[INFO] [stderr]    |                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to compute `1073741824_i32 * 1024_i32`, which would overflow
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(arithmetic_overflow)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tar/recovery.rs:72:32
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn recover_data(sink: &mut ArchivalSink<RecoveryEntry>, format: TarFormat, lost: Vec<DataZone<RecoveryEntry>>) -> io::Result<Option<V...
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<RecoveryEntry>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tar/mod.rs:93:72
[INFO] [stderr]    |
[INFO] [stderr] 93 | pub fn serialize<I>(traversal: &header::HeaderGenResult, tarball: &mut ArchivalSink<I>) -> io::Result<u64> {
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<I>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traverse.rs:33:32
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs/portable.rs:85:117
[INFO] [stderr]    |
[INFO] [stderr] 85 | ..., limit: Option<u64>) -> io::Result<Box<ArchivalSink<I>>> where ffi::OsString: From<P>, P: Clone, I: 'static + Send + Clone + PartialEq {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<I>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fs/portable.rs:120:71
[INFO] [stderr]     |
[INFO] [stderr] 120 | pub fn open_tape<P: AsRef<path::Path>>(_tapedev: P) -> io::Result<Box<tape::TapeDevice>> where ffi::OsString: From<P>, P: Clone {
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn tape::TapeDevice`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs/unix.rs:22:117
[INFO] [stderr]    |
[INFO] [stderr] 22 | ..., limit: Option<u64>) -> io::Result<Box<ArchivalSink<I>>> where ffi::OsString: From<P>, P: Clone, I: 'static + Send + Clone + PartialEq {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArchivalSink<I>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs/unix.rs:50:70
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub fn open_tape<P: AsRef<path::Path>>(tapedev: P) -> io::Result<Box<tape::TapeDevice>> where ffi::OsString: From<P>, P: Clone {
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn tape::TapeDevice`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/traverse.rs:29:33
[INFO] [stderr]    |
[INFO] [stderr] 29 |             IOError(err) => err.description()
[INFO] [stderr]    |                                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/fs/unix.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let mut username;
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/fs/unix.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |     let mut groupname;
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `drain_buf_until_empty`
[INFO] [stderr]    --> src/concurrentbuf.rs:206:8
[INFO] [stderr]     |
[INFO] [stderr] 206 |     fn drain_buf_until_empty(&mut self) -> io::Result<()> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/librapidarchive-0afaca454b7933e9
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test spanning::tests::datazone_buffer ... ok
[INFO] [stdout] test blocking::tests::blocking_factor_1_record_splitting_shortcircuit ... ok
[INFO] [stdout] test blocking::tests::blocking_factor_4_block_zone_tracking ... ok
[INFO] [stdout] test spanning::tests::datazone_overhang ... ok
[INFO] [stdout] test spanning::tests::datazone_overhang_exact ... ok
[INFO] [stdout] test blocking::tests::blocking_factor_1_block_passthrough ... ok
[INFO] [stdout] test blocking::tests::blocking_factor_1_record_splitting ... ok
[INFO] [stdout] test tar::gnu::tests::format_gnu_numeral_8_verylarge ... ok
[INFO] [stdout] test tar::pax::tests::pax_attribute ... ok
[INFO] [stdout] test spanning::tests::datazone_stream_merge ... ok
[INFO] [stdout] test tar::pax::tests::pax_attribute_fixedpoint_overflow ... ok
[INFO] [stdout] test spanning::tests::datazone_stream ... ok
[INFO] [stdout] test tar::pax::tests::pax_attribute_fixedpoint_underflow ... ok
[INFO] [stdout] test tar::pax::tests::pax_legacy_filename_short ... ok
[INFO] [stdout] test tar::pax::tests::pax_attribute_longkey ... ok
[INFO] [stdout] test tar::ustar::tests::format_tar_filename_long ... ok
[INFO] [stdout] test tar::ustar::tests::format_tar_string_32 ... ok
[INFO] [stdout] test tar::ustar::tests::format_tar_numeral_8_large ... ok
[INFO] [stdout] test tar::pax::tests::pax_legacy_filename_long_tricky ... ok
[INFO] [stdout] test tar::pax::tests::pax_legacy_filename_medium ... ok
[INFO] [stdout] test spanning::tests::datazone_stream_2x ... ok
[INFO] [stdout] test tar::pax::tests::pax_attribute_longval ... ok
[INFO] [stdout] test tar::pax::tests::pax_legacy_filename_long ... ok
[INFO] [stdout] test tar::gnu::tests::format_gnu_numeral_8 ... ok
[INFO] [stdout] test tar::ustar::tests::format_tar_numeral_8 ... ok
[INFO] [stdout] test spanning::tests::datazone_stream_overhang ... ok
[INFO] [stdout] test tar::gnu::tests::format_gnu_numeral_8_large ... ok
[INFO] [stdout] test units::time::test::time_hours ... ok
[INFO] [stdout] test units::time::test::time_nanos ... ok
[INFO] [stdout] test tar::ustar::tests::format_tar_filename_medium ... ok
[INFO] [stdout] test tar::ustar::tests::format_tar_filename_short ... ok
[INFO] [stdout] test spanning::tests::datazone_stream_mergeslack ... ok
[INFO] [stdout] test spanning::tests::datazone_stream_overslack ... ok
[INFO] [stdout] test units::time::test::time_days ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests librapidarchive
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f81713cb28b27cbc0069e46c400a36131e8f66a49a8ed88db2ad5fb74b76fa9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f81713cb28b27cbc0069e46c400a36131e8f66a49a8ed88db2ad5fb74b76fa9c", kill_on_drop: false }`
[INFO] [stdout] f81713cb28b27cbc0069e46c400a36131e8f66a49a8ed88db2ad5fb74b76fa9c