[INFO] fetching crate tab-api 0.5.6...
[INFO] checking tab-api-0.5.6 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] extracting crate tab-api 0.5.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tab-api 0.5.6 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7b7e052b4f7d8060ee52cc517e589461b8457c529f17154c5f0544cba2aa520
[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" "e7b7e052b4f7d8060ee52cc517e589461b8457c529f17154c5f0544cba2aa520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7b7e052b4f7d8060ee52cc517e589461b8457c529f17154c5f0544cba2aa520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b7e052b4f7d8060ee52cc517e589461b8457c529f17154c5f0544cba2aa520", kill_on_drop: false }`
[INFO] [stdout] e7b7e052b4f7d8060ee52cc517e589461b8457c529f17154c5f0544cba2aa520
[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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54ced122c26c3053f9df101745f6611c5f50da015f1530c2602027930d14d303
[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" "54ced122c26c3053f9df101745f6611c5f50da015f1530c2602027930d14d303", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking owned-alloc v0.2.0
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking lockfree v0.5.1
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling sysinfo v0.15.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking snailquote v0.3.0
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking lifeline v0.4.0
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking tab-api v0.5.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.79s
[INFO] running `Command { std: "docker" "inspect" "54ced122c26c3053f9df101745f6611c5f50da015f1530c2602027930d14d303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ced122c26c3053f9df101745f6611c5f50da015f1530c2602027930d14d303", kill_on_drop: false }`
[INFO] [stdout] 54ced122c26c3053f9df101745f6611c5f50da015f1530c2602027930d14d303