[INFO] fetching crate cargo2 0.2.2...
[INFO] testing cargo2-0.2.2 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate cargo2 0.2.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cargo2 0.2.2 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo2 0.2.2
[INFO] finished tweaking crates.io crate cargo2 0.2.2
[INFO] tweaked toml for crates.io crate cargo2 0.2.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fa3cc2afe07c8de635b43d0d158539461675de51dbd310fae9f69dd2e277435
[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" "4fa3cc2afe07c8de635b43d0d158539461675de51dbd310fae9f69dd2e277435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fa3cc2afe07c8de635b43d0d158539461675de51dbd310fae9f69dd2e277435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa3cc2afe07c8de635b43d0d158539461675de51dbd310fae9f69dd2e277435", kill_on_drop: false }`
[INFO] [stdout] 4fa3cc2afe07c8de635b43d0d158539461675de51dbd310fae9f69dd2e277435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81b7b2a062c8c0267a21a12b5f1835ee4ae3f24e917797c5222dba858d1889fb
[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" "81b7b2a062c8c0267a21a12b5f1835ee4ae3f24e917797c5222dba858d1889fb", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling cargo2 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde`
[INFO] [stdout]  --> src/metadata.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/main.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |         ("bundle", Some(m)) => {}
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/main.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |         ("check", Some(m)) => {}
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/license.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let entry = license_map
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/license.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut parts = split_license(license);
[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: function is never used: `check_licenses`
[INFO] [stdout]   --> src/license.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn check_licenses() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bundle_licenses`
[INFO] [stdout]   --> src/license.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn bundle_licenses() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `split_multiple`
[INFO] [stdout]  --> src/util.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn split_multiple() {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.91s
[INFO] running `Command { std: "docker" "inspect" "81b7b2a062c8c0267a21a12b5f1835ee4ae3f24e917797c5222dba858d1889fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b7b2a062c8c0267a21a12b5f1835ee4ae3f24e917797c5222dba858d1889fb", kill_on_drop: false }`
[INFO] [stdout] 81b7b2a062c8c0267a21a12b5f1835ee4ae3f24e917797c5222dba858d1889fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03b81189a283b3124146380692316ff23fa749aae43df77ad560c31c6ebb525b
[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" "03b81189a283b3124146380692316ff23fa749aae43df77ad560c31c6ebb525b", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling cargo2 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde`
[INFO] [stdout]  --> src/metadata.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/main.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |         ("bundle", Some(m)) => {}
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/main.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |         ("check", Some(m)) => {}
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/license.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let entry = license_map
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/license.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut parts = split_license(license);
[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: function is never used: `check_licenses`
[INFO] [stdout]   --> src/license.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn check_licenses() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bundle_licenses`
[INFO] [stdout]   --> src/license.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn bundle_licenses() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `split_multiple`
[INFO] [stdout]  --> src/util.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn split_multiple() {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "03b81189a283b3124146380692316ff23fa749aae43df77ad560c31c6ebb525b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b81189a283b3124146380692316ff23fa749aae43df77ad560c31c6ebb525b", kill_on_drop: false }`
[INFO] [stdout] 03b81189a283b3124146380692316ff23fa749aae43df77ad560c31c6ebb525b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e756dbd6a592e3b1a864f467968e8b24648efd9c3965d0d098ebe6a2e8d00700
[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" "e756dbd6a592e3b1a864f467968e8b24648efd9c3965d0d098ebe6a2e8d00700", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `serde`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/metadata.rs:1:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | use serde;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/main.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |         ("bundle", Some(m)) => {}
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/main.rs:32:24
[INFO] [stderr]    |
[INFO] [stderr] 32 |         ("check", Some(m)) => {}
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entry`
[INFO] [stderr]   --> src/license.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let entry = license_map
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/license.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut parts = split_license(license);
[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: function is never used: `check_licenses`
[INFO] [stderr]   --> src/license.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn check_licenses() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bundle_licenses`
[INFO] [stderr]   --> src/license.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn bundle_licenses() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `split_multiple`
[INFO] [stderr]  --> src/util.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn split_multiple() {}
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo2-745252684f55a5bd)
[INFO] running `Command { std: "docker" "inspect" "e756dbd6a592e3b1a864f467968e8b24648efd9c3965d0d098ebe6a2e8d00700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e756dbd6a592e3b1a864f467968e8b24648efd9c3965d0d098ebe6a2e8d00700", kill_on_drop: false }`
[INFO] [stdout] e756dbd6a592e3b1a864f467968e8b24648efd9c3965d0d098ebe6a2e8d00700