[INFO] fetching crate more-about-cargo-and-crates 0.1.0...
[INFO] testing more-about-cargo-and-crates-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate more-about-cargo-and-crates 0.1.0 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate more-about-cargo-and-crates 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate more-about-cargo-and-crates 0.1.0
[INFO] finished tweaking crates.io crate more-about-cargo-and-crates 0.1.0
[INFO] tweaked toml for crates.io crate more-about-cargo-and-crates 0.1.0 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate crates.io crate more-about-cargo-and-crates 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e6809a82dd455fae01174f66a576ad9d6000733df2fdf9edc0e89101936a624
[INFO] running `Command { std: "docker" "start" "-a" "4e6809a82dd455fae01174f66a576ad9d6000733df2fdf9edc0e89101936a624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e6809a82dd455fae01174f66a576ad9d6000733df2fdf9edc0e89101936a624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e6809a82dd455fae01174f66a576ad9d6000733df2fdf9edc0e89101936a624", kill_on_drop: false }`
[INFO] [stdout] 4e6809a82dd455fae01174f66a576ad9d6000733df2fdf9edc0e89101936a624
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ba62ee3f59be66f319efaecb848a8d1a8422069362f8d58afc137b09e4e6218
[INFO] running `Command { std: "docker" "start" "-a" "1ba62ee3f59be66f319efaecb848a8d1a8422069362f8d58afc137b09e4e6218", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling more-about-cargo-and-crates v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `add_one`
[INFO] [stdout]   --> src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn add_one(x: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "1ba62ee3f59be66f319efaecb848a8d1a8422069362f8d58afc137b09e4e6218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba62ee3f59be66f319efaecb848a8d1a8422069362f8d58afc137b09e4e6218", kill_on_drop: false }`
[INFO] [stdout] 1ba62ee3f59be66f319efaecb848a8d1a8422069362f8d58afc137b09e4e6218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b90b76227e07a521e5d4465a575da96fb903cfd176df5d7d95c74cdb2de1f974
[INFO] running `Command { std: "docker" "start" "-a" "b90b76227e07a521e5d4465a575da96fb903cfd176df5d7d95c74cdb2de1f974", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling more-about-cargo-and-crates v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `add_one`
[INFO] [stdout]   --> src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn add_one(x: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/more_about_cargo_and_crates-bba964ab51bb358c)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/more_about_cargo_and_crates-e40a1de4f4f405a1)
[INFO] running `Command { std: "docker" "inspect" "b90b76227e07a521e5d4465a575da96fb903cfd176df5d7d95c74cdb2de1f974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b90b76227e07a521e5d4465a575da96fb903cfd176df5d7d95c74cdb2de1f974", kill_on_drop: false }`
[INFO] [stdout] b90b76227e07a521e5d4465a575da96fb903cfd176df5d7d95c74cdb2de1f974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fecdd68ed8f93c588fac27a46ed0d0906ed3ecbd3fd892d29f36ca744135ffbf
[INFO] running `Command { std: "docker" "start" "-a" "fecdd68ed8f93c588fac27a46ed0d0906ed3ecbd3fd892d29f36ca744135ffbf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `add_one`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/lib.rs:16:8
[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] 16 | pub fn add_one(x: i32) -> i32 {
[INFO] [stdout] 
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 0 tests
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[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] warning: `more-about-cargo-and-crates` (bin "more-about-cargo-and-crates" test) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.70s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/more_about_cargo_and_crates-bba964ab51bb358c)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/more_about_cargo_and_crates-e40a1de4f4f405a1)
[INFO] [stderr]    Doc-tests more-about-cargo-and-crates
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - add_one (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fecdd68ed8f93c588fac27a46ed0d0906ed3ecbd3fd892d29f36ca744135ffbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fecdd68ed8f93c588fac27a46ed0d0906ed3ecbd3fd892d29f36ca744135ffbf", kill_on_drop: false }`
[INFO] [stdout] fecdd68ed8f93c588fac27a46ed0d0906ed3ecbd3fd892d29f36ca744135ffbf