[INFO] cloning repository https://github.com/cartoon-raccoon/oyster
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cartoon-raccoon/oyster" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcartoon-raccoon%2Foyster", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcartoon-raccoon%2Foyster'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2291d71a95dd2019a9fb008d219d43634540d0b3
[INFO] checking cartoon-raccoon/oyster against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcartoon-raccoon%2Foyster" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cartoon-raccoon/oyster on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cartoon-raccoon/oyster
[INFO] finished tweaking git repo https://github.com/cartoon-raccoon/oyster
[INFO] tweaked toml for git repo https://github.com/cartoon-raccoon/oyster written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cartoon-raccoon/oyster already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded dirs-sys v0.3.5
[INFO] [stderr]   Downloaded siphasher v0.3.3
[INFO] [stderr]   Downloaded tinyvec v1.0.1
[INFO] [stderr]   Downloaded glob v0.3.0
[INFO] [stderr]   Downloaded rand_chacha v0.2.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded unicode-normalization v0.1.14
[INFO] [stderr]   Downloaded blake2b_simd v0.5.11
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded smallstr v0.2.0
[INFO] [stderr]   Downloaded smallvec v1.4.2
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded terminfo v0.7.3
[INFO] [stderr]   Downloaded fnv v1.0.7
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded nom v5.1.2
[INFO] [stderr]   Downloaded rand_pcg v0.2.1
[INFO] [stderr]   Downloaded phf_shared v0.8.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[INFO] [stderr]   Downloaded rand v0.7.3
[INFO] [stderr]   Downloaded mortal v0.2.2
[INFO] [stderr]   Downloaded phf v0.8.0
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded phf_generator v0.8.0
[INFO] [stderr]   Downloaded dirs v1.0.5
[INFO] [stderr]   Downloaded dirs v2.0.2
[INFO] [stderr]   Downloaded arrayvec v0.5.2
[INFO] [stderr]   Downloaded tinyvec_macros v0.1.0
[INFO] [stderr]   Downloaded phf_codegen v0.8.0
[INFO] [stderr]   Downloaded linefeed v0.6.0
[INFO] [stderr]   Downloaded version_check v0.9.2
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", 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] 6351c4afe9f2e00142350a053876ae1d5fce77e391e8078541b71800f8054d36
[INFO] running `Command { std: "docker" "start" "-a" "6351c4afe9f2e00142350a053876ae1d5fce77e391e8078541b71800f8054d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6351c4afe9f2e00142350a053876ae1d5fce77e391e8078541b71800f8054d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6351c4afe9f2e00142350a053876ae1d5fce77e391e8078541b71800f8054d36", kill_on_drop: false }`
[INFO] [stdout] 6351c4afe9f2e00142350a053876ae1d5fce77e391e8078541b71800f8054d36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcfc25bf437a255634583d8758ebb58c85364eb0810bb4d6e88fd9774e77d37c
[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" "bcfc25bf437a255634583d8758ebb58c85364eb0810bb4d6e88fd9774e77d37c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking smallstr v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling terminfo v0.7.3
[INFO] [stderr]     Checking mortal v0.2.2
[INFO] [stderr]     Checking linefeed v0.6.0
[INFO] [stderr]     Checking oyster v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.59s
[INFO] running `Command { std: "docker" "inspect" "bcfc25bf437a255634583d8758ebb58c85364eb0810bb4d6e88fd9774e77d37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcfc25bf437a255634583d8758ebb58c85364eb0810bb4d6e88fd9774e77d37c", kill_on_drop: false }`
[INFO] [stdout] bcfc25bf437a255634583d8758ebb58c85364eb0810bb4d6e88fd9774e77d37c