[INFO] fetching crate tab-api 0.5.6...
[INFO] checking tab-api-0.5.6 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate tab-api 0.5.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tab-api 0.5.6 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tab-api 0.5.6
[INFO] finished tweaking crates.io crate tab-api 0.5.6
[INFO] tweaked toml for crates.io crate tab-api 0.5.6 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc66d08fad1356569c4fb507ca81302317d34d3bf87fae58d7bf9422080c9e76
[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" "dc66d08fad1356569c4fb507ca81302317d34d3bf87fae58d7bf9422080c9e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc66d08fad1356569c4fb507ca81302317d34d3bf87fae58d7bf9422080c9e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc66d08fad1356569c4fb507ca81302317d34d3bf87fae58d7bf9422080c9e76", kill_on_drop: false }`
[INFO] [stdout] dc66d08fad1356569c4fb507ca81302317d34d3bf87fae58d7bf9422080c9e76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beceb96aa161441e09938f0e726872834555e5a526b93a79d3e02d2a462322cd
[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" "beceb96aa161441e09938f0e726872834555e5a526b93a79d3e02d2a462322cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling anyhow v1.0.50
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking owned-alloc v0.2.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling sysinfo v0.15.9
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking lockfree v0.5.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking futures-util v0.3.18
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking snailquote v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking lifeline v0.4.0
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking tab-api v0.5.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "beceb96aa161441e09938f0e726872834555e5a526b93a79d3e02d2a462322cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beceb96aa161441e09938f0e726872834555e5a526b93a79d3e02d2a462322cd", kill_on_drop: false }`
[INFO] [stdout] beceb96aa161441e09938f0e726872834555e5a526b93a79d3e02d2a462322cd