[INFO] cloning repository https://github.com/tofagerl/sortthing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tofagerl/sortthing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftofagerl%2Fsortthing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftofagerl%2Fsortthing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd9f575d122109a5cc410e8e3a4c7f5fceefafe7
[INFO] testing tofagerl/sortthing against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftofagerl%2Fsortthing" "/workspace/builds/worker-116/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-116/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tofagerl/sortthing on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tofagerl/sortthing
[INFO] finished tweaking git repo https://github.com/tofagerl/sortthing
[INFO] tweaked toml for git repo https://github.com/tofagerl/sortthing written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate git repo https://github.com/tofagerl/sortthing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.91
[INFO] [stderr]   Downloaded serde_json v1.0.39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3de2eb018ba33d23ac74e16ddea7170637c043e1771acb38f0f4035f0a7dd6b7
[INFO] running `Command { std: "docker" "start" "-a" "3de2eb018ba33d23ac74e16ddea7170637c043e1771acb38f0f4035f0a7dd6b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3de2eb018ba33d23ac74e16ddea7170637c043e1771acb38f0f4035f0a7dd6b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3de2eb018ba33d23ac74e16ddea7170637c043e1771acb38f0f4035f0a7dd6b7", kill_on_drop: false }`
[INFO] [stdout] 3de2eb018ba33d23ac74e16ddea7170637c043e1771acb38f0f4035f0a7dd6b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff9e47cfcf983c2d43fef5ce16517ecd9d46588dfa199a69bab501c4247e5ff7
[INFO] running `Command { std: "docker" "start" "-a" "ff9e47cfcf983c2d43fef5ce16517ecd9d46588dfa199a69bab501c4247e5ff7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling sortthing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.89s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff9e47cfcf983c2d43fef5ce16517ecd9d46588dfa199a69bab501c4247e5ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9e47cfcf983c2d43fef5ce16517ecd9d46588dfa199a69bab501c4247e5ff7", kill_on_drop: false }`
[INFO] [stdout] ff9e47cfcf983c2d43fef5ce16517ecd9d46588dfa199a69bab501c4247e5ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6942db2d30182fdbd0eb43fe9a2c5b3bd287b76fdbb744c80f18435e95b056b0
[INFO] running `Command { std: "docker" "start" "-a" "6942db2d30182fdbd0eb43fe9a2c5b3bd287b76fdbb744c80f18435e95b056b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling sortthing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tomsort.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut file_contents = fs::read_to_string("test_strings.json").expect("No such file 'testdata.json'");
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "6942db2d30182fdbd0eb43fe9a2c5b3bd287b76fdbb744c80f18435e95b056b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6942db2d30182fdbd0eb43fe9a2c5b3bd287b76fdbb744c80f18435e95b056b0", kill_on_drop: false }`
[INFO] [stdout] 6942db2d30182fdbd0eb43fe9a2c5b3bd287b76fdbb744c80f18435e95b056b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6beb0487f2cec5553cc21864ebfe04a98e8b607ce773d714a363b94bb59a0368
[INFO] running `Command { std: "docker" "start" "-a" "6beb0487f2cec5553cc21864ebfe04a98e8b607ce773d714a363b94bb59a0368", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/main.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/tomsort.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut file_contents = fs::read_to_string("test_strings.json").expect("No such file 'testdata.json'");
[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: `sortthing` (bin "sortthing" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.39s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sortthing-d1415294b2c0c566)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tomsort::tests::simple_sort_test ... ok
[INFO] [stdout] test tomsort::tests::word_sort_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6beb0487f2cec5553cc21864ebfe04a98e8b607ce773d714a363b94bb59a0368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6beb0487f2cec5553cc21864ebfe04a98e8b607ce773d714a363b94bb59a0368", kill_on_drop: false }`
[INFO] [stdout] 6beb0487f2cec5553cc21864ebfe04a98e8b607ce773d714a363b94bb59a0368