[INFO] cloning repository https://github.com/ZeviLiao/rust-hello
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZeviLiao/rust-hello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZeviLiao%2Frust-hello", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZeviLiao%2Frust-hello'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e359a1101ce2fed60f58fcbbc543c53c2621ac5
[INFO] testing ZeviLiao/rust-hello against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZeviLiao%2Frust-hello" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZeviLiao/rust-hello on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ZeviLiao/rust-hello
[INFO] finished tweaking git repo https://github.com/ZeviLiao/rust-hello
[INFO] tweaked toml for git repo https://github.com/ZeviLiao/rust-hello written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ZeviLiao/rust-hello already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abf5bc031da994c0e81af72174f190d9c856f410c3f55807541e5b41e4b26a15
[INFO] running `Command { std: "docker" "start" "-a" "abf5bc031da994c0e81af72174f190d9c856f410c3f55807541e5b41e4b26a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abf5bc031da994c0e81af72174f190d9c856f410c3f55807541e5b41e4b26a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf5bc031da994c0e81af72174f190d9c856f410c3f55807541e5b41e4b26a15", kill_on_drop: false }`
[INFO] [stdout] abf5bc031da994c0e81af72174f190d9c856f410c3f55807541e5b41e4b26a15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13b6fc84963506d01903157e6ffff7a5dbc1206b7a14ca798e3f493a7bcec39e
[INFO] running `Command { std: "docker" "start" "-a" "13b6fc84963506d01903157e6ffff7a5dbc1206b7a14ca798e3f493a7bcec39e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `age` is never read
[INFO] [stdout]  --> src/vars.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut age = 37;
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "13b6fc84963506d01903157e6ffff7a5dbc1206b7a14ca798e3f493a7bcec39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13b6fc84963506d01903157e6ffff7a5dbc1206b7a14ca798e3f493a7bcec39e", kill_on_drop: false }`
[INFO] [stdout] 13b6fc84963506d01903157e6ffff7a5dbc1206b7a14ca798e3f493a7bcec39e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ce6fbc8af14da63ceb5483b09df3871b1e3fc3df659cca3a2480caf694f17fe
[INFO] running `Command { std: "docker" "start" "-a" "1ce6fbc8af14da63ceb5483b09df3871b1e3fc3df659cca3a2480caf694f17fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `age` is never read
[INFO] [stdout]  --> src/vars.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut age = 37;
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "1ce6fbc8af14da63ceb5483b09df3871b1e3fc3df659cca3a2480caf694f17fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce6fbc8af14da63ceb5483b09df3871b1e3fc3df659cca3a2480caf694f17fe", kill_on_drop: false }`
[INFO] [stdout] 1ce6fbc8af14da63ceb5483b09df3871b1e3fc3df659cca3a2480caf694f17fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa6a10493e3099b444f53c4704e95927545a304f40ef5821907d64d7fd1337e6
[INFO] running `Command { std: "docker" "start" "-a" "aa6a10493e3099b444f53c4704e95927545a304f40ef5821907d64d7fd1337e6", 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] warning: value assigned to `age` is never read
[INFO] [stderr]  --> src/vars.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let mut age = 37;
[INFO] [stderr]   |             ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-test` (bin "rust-test" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_test-bfe079a99b3660df)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa6a10493e3099b444f53c4704e95927545a304f40ef5821907d64d7fd1337e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6a10493e3099b444f53c4704e95927545a304f40ef5821907d64d7fd1337e6", kill_on_drop: false }`
[INFO] [stdout] aa6a10493e3099b444f53c4704e95927545a304f40ef5821907d64d7fd1337e6