[INFO] cloning repository https://github.com/ianklatzco/rusthain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ianklatzco/rusthain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianklatzco%2Frusthain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianklatzco%2Frusthain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bff2f1da0c2d97d653a75e487c036482f322178
[INFO] testing ianklatzco/rusthain against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianklatzco%2Frusthain" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ianklatzco/rusthain
[INFO] finished tweaking git repo https://github.com/ianklatzco/rusthain
[INFO] tweaked toml for git repo https://github.com/ianklatzco/rusthain written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ianklatzco/rusthain on toolchain b03b3a7ec92682be2917540b679478d41c95a30c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ianklatzco/rusthain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdb8cd5843c624f93f79d3f2e2a9d470a6752301194de3458de5cb94dcc396c8
[INFO] running `Command { std: "docker" "start" "-a" "fdb8cd5843c624f93f79d3f2e2a9d470a6752301194de3458de5cb94dcc396c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdb8cd5843c624f93f79d3f2e2a9d470a6752301194de3458de5cb94dcc396c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb8cd5843c624f93f79d3f2e2a9d470a6752301194de3458de5cb94dcc396c8", kill_on_drop: false }`
[INFO] [stdout] fdb8cd5843c624f93f79d3f2e2a9d470a6752301194de3458de5cb94dcc396c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 754d4be9e9ba9236c458ec239fba511ece139f06d0151083d28787b8ddc2bb6e
[INFO] running `Command { std: "docker" "start" "-a" "754d4be9e9ba9236c458ec239fba511ece139f06d0151083d28787b8ddc2bb6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rusthain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `add1` is never used
[INFO] [stdout]   --> src/a-gentle-introduction/main1-hello.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn add1(a: i32) -> i32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `default` is never used
[INFO] [stdout]   --> src/a-gentle-introduction/main1-hello.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn default() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "754d4be9e9ba9236c458ec239fba511ece139f06d0151083d28787b8ddc2bb6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "754d4be9e9ba9236c458ec239fba511ece139f06d0151083d28787b8ddc2bb6e", kill_on_drop: false }`
[INFO] [stdout] 754d4be9e9ba9236c458ec239fba511ece139f06d0151083d28787b8ddc2bb6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbb444cc272b7fe1ff01429307504e13574382d15676a13100e9ad5e5c94a293
[INFO] running `Command { std: "docker" "start" "-a" "bbb444cc272b7fe1ff01429307504e13574382d15676a13100e9ad5e5c94a293", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusthain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `add1` is never used
[INFO] [stdout]   --> src/a-gentle-introduction/main1-hello.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn add1(a: i32) -> i32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `default` is never used
[INFO] [stdout]   --> src/a-gentle-introduction/main1-hello.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn default() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "bbb444cc272b7fe1ff01429307504e13574382d15676a13100e9ad5e5c94a293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb444cc272b7fe1ff01429307504e13574382d15676a13100e9ad5e5c94a293", kill_on_drop: false }`
[INFO] [stdout] bbb444cc272b7fe1ff01429307504e13574382d15676a13100e9ad5e5c94a293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c87e1c95792322e67523e51e8ad39951aca7fe287d12c401566dba52d6cdb65
[INFO] running `Command { std: "docker" "start" "-a" "8c87e1c95792322e67523e51e8ad39951aca7fe287d12c401566dba52d6cdb65", kill_on_drop: false }`
[INFO] [stderr] warning: function `add1` is never used
[INFO] [stderr]   --> src/a-gentle-introduction/main1-hello.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn add1(a: i32) -> i32 {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `default` is never used
[INFO] [stderr]   --> src/a-gentle-introduction/main1-hello.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn default() {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rusthain` (bin "main1" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/a-gentle-introduction/main1-hello.rs (/opt/rustwide/target/debug/deps/main1-a8227575e92c5f6f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests src/a-gentle-introduction/main2-adding.rs (/opt/rustwide/target/debug/deps/main2-257731011689511e)
[INFO] [stdout] test tests::test_main1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::main2_extra_credit ... ignored
[INFO] [stdout] test tests::test_main2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/a-gentle-introduction/main3-structs.rs (/opt/rustwide/target/debug/deps/main3-c5950dd2d1ba3d82)
[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] [stderr]      Running unittests src/a-gentle-introduction/main4-overachievers.rs (/opt/rustwide/target/debug/deps/main4-e992d66a0ca33c9f)
[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] [stderr]      Running unittests src/meta.rs (/opt/rustwide/target/debug/deps/meta-22e75de558773a83)
[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" "8c87e1c95792322e67523e51e8ad39951aca7fe287d12c401566dba52d6cdb65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c87e1c95792322e67523e51e8ad39951aca7fe287d12c401566dba52d6cdb65", kill_on_drop: false }`
[INFO] [stdout] 8c87e1c95792322e67523e51e8ad39951aca7fe287d12c401566dba52d6cdb65