[INFO] cloning repository https://github.com/holmesmr/tree-magic-detector
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/holmesmr/tree-magic-detector" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fholmesmr%2Ftree-magic-detector", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fholmesmr%2Ftree-magic-detector'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a817b0c90165697f3c1e84522b8ac9f141bdb1e1
[INFO] testing holmesmr/tree-magic-detector against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fholmesmr%2Ftree-magic-detector" "/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/holmesmr/tree-magic-detector 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 git repo https://github.com/holmesmr/tree-magic-detector
[INFO] finished tweaking git repo https://github.com/holmesmr/tree-magic-detector
[INFO] tweaked toml for git repo https://github.com/holmesmr/tree-magic-detector written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/holmesmr/tree-magic-detector 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d829af38b41bde876a44828fd073e7eafdc371653a85e8287308fdf012de5957
[INFO] running `Command { std: "docker" "start" "-a" "d829af38b41bde876a44828fd073e7eafdc371653a85e8287308fdf012de5957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d829af38b41bde876a44828fd073e7eafdc371653a85e8287308fdf012de5957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d829af38b41bde876a44828fd073e7eafdc371653a85e8287308fdf012de5957", kill_on_drop: false }`
[INFO] [stdout] d829af38b41bde876a44828fd073e7eafdc371653a85e8287308fdf012de5957
[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=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] a93003259e3c980a59c0d0a9236ea5786c279d111391a5789427f326aae9194c
[INFO] running `Command { std: "docker" "start" "-a" "a93003259e3c980a59c0d0a9236ea5786c279d111391a5789427f326aae9194c", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling tree_magic_mini v3.0.0
[INFO] [stderr]    Compiling tree_magic_detector v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow::Context`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use anyhow::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 8.71s
[INFO] running `Command { std: "docker" "inspect" "a93003259e3c980a59c0d0a9236ea5786c279d111391a5789427f326aae9194c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a93003259e3c980a59c0d0a9236ea5786c279d111391a5789427f326aae9194c", kill_on_drop: false }`
[INFO] [stdout] a93003259e3c980a59c0d0a9236ea5786c279d111391a5789427f326aae9194c
[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=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] 056d51dc47e7522abadc4d7e7f2c4df4bcb78b48150e0fda6eb3258d19be2120
[INFO] running `Command { std: "docker" "start" "-a" "056d51dc47e7522abadc4d7e7f2c4df4bcb78b48150e0fda6eb3258d19be2120", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tree_magic_detector v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow::Context`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use anyhow::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 3.31s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/tree_magic_detector-c81068529b1c4436)
[INFO] running `Command { std: "docker" "inspect" "056d51dc47e7522abadc4d7e7f2c4df4bcb78b48150e0fda6eb3258d19be2120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "056d51dc47e7522abadc4d7e7f2c4df4bcb78b48150e0fda6eb3258d19be2120", kill_on_drop: false }`
[INFO] [stdout] 056d51dc47e7522abadc4d7e7f2c4df4bcb78b48150e0fda6eb3258d19be2120
[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=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] fd2b9d3a125e46d20ad121cacf6ee4af13174b416c076cc6aded6413a23c0bf6
[INFO] running `Command { std: "docker" "start" "-a" "fd2b9d3a125e46d20ad121cacf6ee4af13174b416c076cc6aded6413a23c0bf6", 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]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `anyhow::Context`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:2:5
[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] 2 | use anyhow::Context;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tree_magic_detector` (bin "tree_magic_detector" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tree_magic_detector-c81068529b1c4436)
[INFO] running `Command { std: "docker" "inspect" "fd2b9d3a125e46d20ad121cacf6ee4af13174b416c076cc6aded6413a23c0bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2b9d3a125e46d20ad121cacf6ee4af13174b416c076cc6aded6413a23c0bf6", kill_on_drop: false }`
[INFO] [stdout] fd2b9d3a125e46d20ad121cacf6ee4af13174b416c076cc6aded6413a23c0bf6