[INFO] fetching crate precious-exec 0.3.0...
[INFO] testing precious-exec-0.3.0 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3
[INFO] extracting crate precious-exec 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate precious-exec 0.3.0 on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate precious-exec 0.3.0
[INFO] finished tweaking crates.io crate precious-exec 0.3.0
[INFO] tweaked toml for crates.io crate precious-exec 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cca53eea9eca0b8024cdab3e4f639204c4cab12395e14a069108ed721c1af4d
[INFO] running `Command { std: "docker" "start" "-a" "5cca53eea9eca0b8024cdab3e4f639204c4cab12395e14a069108ed721c1af4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cca53eea9eca0b8024cdab3e4f639204c4cab12395e14a069108ed721c1af4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cca53eea9eca0b8024cdab3e4f639204c4cab12395e14a069108ed721c1af4d", kill_on_drop: false }`
[INFO] [stdout] 5cca53eea9eca0b8024cdab3e4f639204c4cab12395e14a069108ed721c1af4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] bd8d0d4e2379f0af5df1ae65d9c1ad56e09646053525ef5828d5561558eb86c6
[INFO] running `Command { std: "docker" "start" "-a" "bd8d0d4e2379f0af5df1ae65d9c1ad56e09646053525ef5828d5561558eb86c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling which v4.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling precious-exec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.23s
[INFO] running `Command { std: "docker" "inspect" "bd8d0d4e2379f0af5df1ae65d9c1ad56e09646053525ef5828d5561558eb86c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd8d0d4e2379f0af5df1ae65d9c1ad56e09646053525ef5828d5561558eb86c6", kill_on_drop: false }`
[INFO] [stdout] bd8d0d4e2379f0af5df1ae65d9c1ad56e09646053525ef5828d5561558eb86c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] e8e5a23df363195d7941ad77941a5ba5c7747e6bd0b0b2792da153b9e00a5e5c
[INFO] running `Command { std: "docker" "start" "-a" "e8e5a23df363195d7941ad77941a5ba5c7747e6bd0b0b2792da153b9e00a5e5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling pretty_assertions v1.3.0
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling serial_test v0.5.1
[INFO] [stderr]    Compiling precious-exec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.45s
[INFO] running `Command { std: "docker" "inspect" "e8e5a23df363195d7941ad77941a5ba5c7747e6bd0b0b2792da153b9e00a5e5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e5a23df363195d7941ad77941a5ba5c7747e6bd0b0b2792da153b9e00a5e5c", kill_on_drop: false }`
[INFO] [stdout] e8e5a23df363195d7941ad77941a5ba5c7747e6bd0b0b2792da153b9e00a5e5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] ff3d22fdab6ba3a26b68ce0061edd6a7514d77cb050e313e02c9ec2b9a4bcad8
[INFO] running `Command { std: "docker" "start" "-a" "ff3d22fdab6ba3a26b68ce0061edd6a7514d77cb050e313e02c9ec2b9a4bcad8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/precious_exec-30084407baaf6ede)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::executable_does_not_exist ... ok
[INFO] [stdout] test tests::exec_string ... ok
[INFO] [stdout] test tests::run_exit_0_with_non_matching_ignore_stderr ... ok
[INFO] [stdout] test tests::run_exit_32_with_stdout ... ok
[INFO] [stdout] test tests::run_exit_32 ... ok
[INFO] [stdout] test tests::run_exit_32_with_stderr ... ok
[INFO] [stdout] test tests::run_exit_0 ... ok
[INFO] [stdout] test tests::run_exit_0_with_unexpected_stderr ... ok
[INFO] [stdout] test tests::run_exit_0_with_multiple_ignore_stderr ... ok
[INFO] [stdout] test tests::run_exit_0_with_matching_ignore_stderr ... ok
[INFO] [stdout] test tests::run_wth_env ... ok
[INFO] [stdout] test tests::run_exit_32_with_stdout_and_stderr ... ok
[INFO] [stdout] test tests::run_in_dir ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff3d22fdab6ba3a26b68ce0061edd6a7514d77cb050e313e02c9ec2b9a4bcad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff3d22fdab6ba3a26b68ce0061edd6a7514d77cb050e313e02c9ec2b9a4bcad8", kill_on_drop: false }`
[INFO] [stdout] ff3d22fdab6ba3a26b68ce0061edd6a7514d77cb050e313e02c9ec2b9a4bcad8