[INFO] fetching crate jsonxf 0.9.0...
[INFO] checking jsonxf-0.9.0 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] extracting crate jsonxf 0.9.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate jsonxf 0.9.0 on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonxf 0.9.0
[INFO] finished tweaking crates.io crate jsonxf 0.9.0
[INFO] tweaked toml for crates.io crate jsonxf 0.9.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bf2b261bcdd6e14f74bdddce5b25419d8a3dcc5cc04ae68950139fddb0ab017
[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" "1bf2b261bcdd6e14f74bdddce5b25419d8a3dcc5cc04ae68950139fddb0ab017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bf2b261bcdd6e14f74bdddce5b25419d8a3dcc5cc04ae68950139fddb0ab017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf2b261bcdd6e14f74bdddce5b25419d8a3dcc5cc04ae68950139fddb0ab017", kill_on_drop: false }`
[INFO] [stdout] 1bf2b261bcdd6e14f74bdddce5b25419d8a3dcc5cc04ae68950139fddb0ab017
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06830c125392bffbdfc70bdcd1832f54be94e1549c2ec4f40dda7fe90b390d31
[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" "06830c125392bffbdfc70bdcd1832f54be94e1549c2ec4f40dda7fe90b390d31", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking jsonxf v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/jsonxf.rs:182:49
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn format_stream(&mut self, input: &mut Read, output: &mut Write) -> Result<(), Error> {
[INFO] [stdout]     |                                                 ^^^^ help: use `dyn`: `dyn Read`
[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/jsonxf.rs:182:68
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn format_stream(&mut self, input: &mut Read, output: &mut Write) -> Result<(), Error> {
[INFO] [stdout]     |                                                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/jsonxf.rs:205:55
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn format_buf(&mut self, buf: &[u8], writer: &mut Write) -> Result<(), Error> {
[INFO] [stdout]     |                                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/jsonxf.rs:340:40
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub fn pretty_print_stream(input: &mut Read, output: &mut Write) -> Result<(), Error> {
[INFO] [stdout]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/jsonxf.rs:340:59
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub fn pretty_print_stream(input: &mut Read, output: &mut Write) -> Result<(), Error> {
[INFO] [stdout]     |                                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/jsonxf.rs:389:36
[INFO] [stdout]     |
[INFO] [stdout] 389 | pub fn minimize_stream(input: &mut Read, output: &mut Write) -> Result<(), Error> {
[INFO] [stdout]     |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/jsonxf.rs:389:55
[INFO] [stdout]     |
[INFO] [stdout] 389 | pub fn minimize_stream(input: &mut Read, output: &mut Write) -> Result<(), Error> {
[INFO] [stdout]     |                                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/jsonxf.rs:182:49
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn format_stream(&mut self, input: &mut Read, output: &mut Write) -> Result<(), Error> {
[INFO] [stdout]     |                                                 ^^^^ help: use `dyn`: `dyn Read`
[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/jsonxf.rs:182:68
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn format_stream(&mut self, input: &mut Read, output: &mut Write) -> Result<(), Error> {
[INFO] [stdout]     |                                                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/jsonxf.rs:205:55
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn format_buf(&mut self, buf: &[u8], writer: &mut Write) -> Result<(), Error> {
[INFO] [stdout]     |                                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/jsonxf.rs:340:40
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub fn pretty_print_stream(input: &mut Read, output: &mut Write) -> Result<(), Error> {
[INFO] [stdout]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/jsonxf.rs:340:59
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub fn pretty_print_stream(input: &mut Read, output: &mut Write) -> Result<(), Error> {
[INFO] [stdout]     |                                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/jsonxf.rs:389:36
[INFO] [stdout]     |
[INFO] [stdout] 389 | pub fn minimize_stream(input: &mut Read, output: &mut Write) -> Result<(), Error> {
[INFO] [stdout]     |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/jsonxf.rs:389:55
[INFO] [stdout]     |
[INFO] [stdout] 389 | pub fn minimize_stream(input: &mut Read, output: &mut Write) -> Result<(), Error> {
[INFO] [stdout]     |                                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:78:24
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let mut input: Box<std::io::Read> = match matches.opt_str("i") {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[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/main.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut output: Box<std::io::Write> = match matches.opt_str("o") {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:78:24
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let mut input: Box<std::io::Read> = match matches.opt_str("i") {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[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/main.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut output: Box<std::io::Write> = match matches.opt_str("o") {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "06830c125392bffbdfc70bdcd1832f54be94e1549c2ec4f40dda7fe90b390d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06830c125392bffbdfc70bdcd1832f54be94e1549c2ec4f40dda7fe90b390d31", kill_on_drop: false }`
[INFO] [stdout] 06830c125392bffbdfc70bdcd1832f54be94e1549c2ec4f40dda7fe90b390d31