[INFO] fetching crate pyc-shell 0.3.0...
[INFO] checking pyc-shell-0.3.0 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate pyc-shell 0.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate pyc-shell 0.3.0 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pyc-shell 0.3.0
[INFO] finished tweaking crates.io crate pyc-shell 0.3.0
[INFO] tweaked toml for crates.io crate pyc-shell 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate pyc-shell 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ea38420f89ad65ea892374da540271bcc5b70865425416e2c06029b951c06f4
[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" "6ea38420f89ad65ea892374da540271bcc5b70865425416e2c06029b951c06f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ea38420f89ad65ea892374da540271bcc5b70865425416e2c06029b951c06f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea38420f89ad65ea892374da540271bcc5b70865425416e2c06029b951c06f4", kill_on_drop: false }`
[INFO] [stdout] 6ea38420f89ad65ea892374da540271bcc5b70865425416e2c06029b951c06f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c30f95518ee6001a5dc81137345852d456365ab8ec432c70f55a5e65150f406
[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" "5c30f95518ee6001a5dc81137345852d456365ab8ec432c70f55a5e65150f406", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking whoami v0.9.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking nix v0.19.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]    Compiling libgit2-sys v0.12.14+1.1.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking git2 v0.13.12
[INFO] [stderr]     Checking pyc-shell v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.80s
[INFO] running `Command { std: "docker" "inspect" "5c30f95518ee6001a5dc81137345852d456365ab8ec432c70f55a5e65150f406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c30f95518ee6001a5dc81137345852d456365ab8ec432c70f55a5e65150f406", kill_on_drop: false }`
[INFO] [stdout] 5c30f95518ee6001a5dc81137345852d456365ab8ec432c70f55a5e65150f406