[INFO] fetching crate nightfall 0.1.8...
[INFO] checking nightfall-0.1.8 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate nightfall 0.1.8 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate nightfall 0.1.8 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nightfall 0.1.8
[INFO] finished tweaking crates.io crate nightfall 0.1.8
[INFO] tweaked toml for crates.io crate nightfall 0.1.8 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded event-listener v2.5.1
[INFO] [stderr]   Downloaded futures-timer v3.0.2
[INFO] [stderr]   Downloaded concurrent-queue v1.2.2
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded err-derive v0.3.0
[INFO] [stderr]   Downloaded mach v0.3.2
[INFO] [stderr]   Downloaded unescape v0.1.0
[INFO] [stderr]   Downloaded spinny v0.2.2
[INFO] [stderr]   Downloaded flume v0.10.9
[INFO] [stderr]   Downloaded generator v0.6.25
[INFO] [stderr]   Downloaded derive_more v0.99.16
[INFO] [stderr]   Downloaded platforms v0.2.1
[INFO] [stderr]   Downloaded darwin-libproc-sys v0.1.2
[INFO] [stderr]   Downloaded psutil v3.2.1
[INFO] [stderr]   Downloaded tokio-macros v1.3.0
[INFO] [stderr]   Downloaded pollster v0.2.4
[INFO] [stderr]   Downloaded nix v0.20.1
[INFO] [stderr]   Downloaded darwin-libproc v0.1.2
[INFO] [stderr]   Downloaded mio v0.7.13
[INFO] [stderr]   Downloaded tokio v1.11.0
[INFO] [stderr]   Downloaded barrage v0.2.1
[INFO] [stderr]   Downloaded tokio-stream v0.1.7
[INFO] [stderr]   Downloaded spin v0.7.1
[INFO] [stderr]   Downloaded xtra_proc v0.1.0
[INFO] [stderr]   Downloaded catty v0.1.4
[INFO] [stderr]   Downloaded xtra v0.5.1
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded rustversion v1.0.5
[INFO] [stderr]   Downloaded lock_api v0.4.5
[INFO] [stderr]   Downloaded slog v2.7.0
[INFO] [stderr]   Downloaded spin v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a69490a33063562797469bb6e3c652a9a2216ef15c7eed16a0e884ba679a146b
[INFO] running `Command { std: "docker" "start" "-a" "a69490a33063562797469bb6e3c652a9a2216ef15c7eed16a0e884ba679a146b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a69490a33063562797469bb6e3c652a9a2216ef15c7eed16a0e884ba679a146b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a69490a33063562797469bb6e3c652a9a2216ef15c7eed16a0e884ba679a146b", kill_on_drop: false }`
[INFO] [stdout] a69490a33063562797469bb6e3c652a9a2216ef15c7eed16a0e884ba679a146b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f90b32bad3d863e8923bd8d1f42b2e03d090d6ba971bf056f13d23b3e11fa092
[INFO] running `Command { std: "docker" "start" "-a" "f90b32bad3d863e8923bd8d1f42b2e03d090d6ba971bf056f13d23b3e11fa092", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking spin v0.7.1
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking unescape v0.1.0
[INFO] [stderr]     Checking platforms v0.2.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking pollster v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures-core v0.3.17
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking catty v0.1.4
[INFO] [stderr]     Checking spinny v0.2.2
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking barrage v0.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling err-derive v0.3.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.20.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling xtra_proc v0.1.0
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking flume v0.10.9
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking psutil v3.2.1
[INFO] [stderr]     Checking xtra v0.5.1
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking nightfall v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.65s
[INFO] running `Command { std: "docker" "inspect" "f90b32bad3d863e8923bd8d1f42b2e03d090d6ba971bf056f13d23b3e11fa092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90b32bad3d863e8923bd8d1f42b2e03d090d6ba971bf056f13d23b3e11fa092", kill_on_drop: false }`
[INFO] [stdout] f90b32bad3d863e8923bd8d1f42b2e03d090d6ba971bf056f13d23b3e11fa092