[INFO] fetching crate python-launcher 0.11.0...
[INFO] checking python-launcher-0.11.0 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate python-launcher 0.11.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate python-launcher 0.11.0 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate python-launcher 0.11.0
[INFO] finished tweaking crates.io crate python-launcher 0.11.0
[INFO] tweaked toml for crates.io crate python-launcher 0.11.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate python-launcher 0.11.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0d553fc93d7476600840445a7394b18c6a04312270a2631f521fdf3ad106f0ad
[INFO] running `Command { std: "docker" "start" "-a" "0d553fc93d7476600840445a7394b18c6a04312270a2631f521fdf3ad106f0ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d553fc93d7476600840445a7394b18c6a04312270a2631f521fdf3ad106f0ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d553fc93d7476600840445a7394b18c6a04312270a2631f521fdf3ad106f0ad", kill_on_drop: false }`
[INFO] [stdout] 0d553fc93d7476600840445a7394b18c6a04312270a2631f521fdf3ad106f0ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 937834ad013c206d69b3d80059e74bb7b68d3adac4ab39533b69754cab61fbbc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "937834ad013c206d69b3d80059e74bb7b68d3adac4ab39533b69754cab61fbbc", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling getrandom v0.1.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]    Compiling test-case v1.0.0
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.33
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking os_type v2.2.0
[INFO] [stderr]     Checking backtrace v0.3.41
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serial_test_derive v0.4.0
[INFO] [stderr]     Checking serial_test v0.4.0
[INFO] [stderr]     Checking human-panic v1.0.3
[INFO] [stderr]     Checking python-launcher v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.44s
[INFO] running `Command { std: "docker" "inspect" "937834ad013c206d69b3d80059e74bb7b68d3adac4ab39533b69754cab61fbbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937834ad013c206d69b3d80059e74bb7b68d3adac4ab39533b69754cab61fbbc", kill_on_drop: false }`
[INFO] [stdout] 937834ad013c206d69b3d80059e74bb7b68d3adac4ab39533b69754cab61fbbc