[INFO] fetching crate cargo-open 0.4.0...
[INFO] checking cargo-open-0.4.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate cargo-open 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cargo-open 0.4.0 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 cargo-open 0.4.0
[INFO] finished tweaking crates.io crate cargo-open 0.4.0
[INFO] tweaked toml for crates.io crate cargo-open 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crates-io v0.25.0
[INFO] [stderr]   Downloaded cargo v0.37.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2c83dd9593f78477984124121939248f8162d1d8c0d7273efe7a191c6211fa9e
[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" "2c83dd9593f78477984124121939248f8162d1d8c0d7273efe7a191c6211fa9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c83dd9593f78477984124121939248f8162d1d8c0d7273efe7a191c6211fa9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c83dd9593f78477984124121939248f8162d1d8c0d7273efe7a191c6211fa9e", kill_on_drop: false }`
[INFO] [stdout] 2c83dd9593f78477984124121939248f8162d1d8c0d7273efe7a191c6211fa9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 607e042ce3c0f72f699b165707d4e4bd5e6ecd24e399f0cc24635ae69d5ddc57
[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" "607e042ce3c0f72f699b165707d4e4bd5e6ecd24e399f0cc24635ae69d5ddc57", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking openssl v0.10.33
[INFO] [stderr]     Checking tar v0.4.33
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking sized-chunks v0.1.3
[INFO] [stderr]     Checking git2-curl v0.9.0
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking serde_ignored v0.0.4
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling im-rc v12.3.4
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr]     Checking crates-io v0.25.0
[INFO] [stderr]     Checking cargo v0.37.0
[INFO] [stderr]     Checking cargo-open v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "607e042ce3c0f72f699b165707d4e4bd5e6ecd24e399f0cc24635ae69d5ddc57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607e042ce3c0f72f699b165707d4e4bd5e6ecd24e399f0cc24635ae69d5ddc57", kill_on_drop: false }`
[INFO] [stdout] 607e042ce3c0f72f699b165707d4e4bd5e6ecd24e399f0cc24635ae69d5ddc57