[INFO] fetching crate releaser 0.3.1...
[INFO] checking releaser-0.3.1 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate releaser 0.3.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate releaser 0.3.1 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate releaser 0.3.1
[INFO] finished tweaking crates.io crate releaser 0.3.1
[INFO] tweaked toml for crates.io crate releaser 0.3.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate releaser 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 473a16ba5ef42c603d38d68b5a44cfa5ef92a8dd127d2915b08cf38fc3cb5577
[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" "473a16ba5ef42c603d38d68b5a44cfa5ef92a8dd127d2915b08cf38fc3cb5577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "473a16ba5ef42c603d38d68b5a44cfa5ef92a8dd127d2915b08cf38fc3cb5577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "473a16ba5ef42c603d38d68b5a44cfa5ef92a8dd127d2915b08cf38fc3cb5577", kill_on_drop: false }`
[INFO] [stdout] 473a16ba5ef42c603d38d68b5a44cfa5ef92a8dd127d2915b08cf38fc3cb5577
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 5cd58514812c816dfa031576ea19508651842fbf7a9bfccbb7295a466374f7ef
[INFO] running `Command { std: "docker" "start" "-a" "5cd58514812c816dfa031576ea19508651842fbf7a9bfccbb7295a466374f7ef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking toml_edit v0.2.0
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking vfs v0.5.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking releaser v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.44s
[INFO] running `Command { std: "docker" "inspect" "5cd58514812c816dfa031576ea19508651842fbf7a9bfccbb7295a466374f7ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd58514812c816dfa031576ea19508651842fbf7a9bfccbb7295a466374f7ef", kill_on_drop: false }`
[INFO] [stdout] 5cd58514812c816dfa031576ea19508651842fbf7a9bfccbb7295a466374f7ef