[INFO] fetching crate serde2file 0.6.7...
[INFO] checking serde2file-0.6.7 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate serde2file 0.6.7 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate serde2file 0.6.7 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde2file 0.6.7
[INFO] finished tweaking crates.io crate serde2file 0.6.7
[INFO] tweaked toml for crates.io crate serde2file 0.6.7 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] [stderr]       Adding aead v0.4.3 (latest: v0.5.2)
[INFO] [stderr]       Adding aes v0.7.5 (latest: v0.8.4)
[INFO] [stderr]       Adding aes-gcm v0.9.4 (latest: v0.10.3)
[INFO] [stderr]       Adding cipher v0.3.0 (latest: v0.4.4)
[INFO] [stderr]       Adding ctr v0.8.0 (latest: v0.9.2)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.1.0)
[INFO] [stderr]       Adding ghash v0.4.4 (latest: v0.5.1)
[INFO] [stderr]       Adding polyval v0.5.3 (latest: v0.6.2)
[INFO] [stderr]       Adding subtle v2.4.1 (latest: v2.6.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding universal-hash v0.4.1 (latest: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ghash v0.4.4
[INFO] [stderr]   Downloaded serde2file_macro_derive v0.6.1
[INFO] [stderr]   Downloaded aes-gcm v0.9.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8b9f910431dd3efc8cf09f9c438e586b7b38d5350c169b38ccd93b41cca4441
[INFO] running `Command { std: "docker" "start" "-a" "e8b9f910431dd3efc8cf09f9c438e586b7b38d5350c169b38ccd93b41cca4441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8b9f910431dd3efc8cf09f9c438e586b7b38d5350c169b38ccd93b41cca4441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b9f910431dd3efc8cf09f9c438e586b7b38d5350c169b38ccd93b41cca4441", kill_on_drop: false }`
[INFO] [stdout] e8b9f910431dd3efc8cf09f9c438e586b7b38d5350c169b38ccd93b41cca4441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8797a1de10dcef29c60a6d48a6297090b9d6150200f680f97c1f24a133772237
[INFO] running `Command { std: "docker" "start" "-a" "8797a1de10dcef29c60a6d48a6297090b9d6150200f680f97c1f24a133772237", kill_on_drop: false }`
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking polyval v0.5.3
[INFO] [stderr]     Checking ctr v0.8.0
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking ghash v0.4.4
[INFO] [stderr]     Checking aes-gcm v0.9.4
[INFO] [stderr]    Compiling serde2file_macro_derive v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking serde2file v0.6.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.18s
[INFO] running `Command { std: "docker" "inspect" "8797a1de10dcef29c60a6d48a6297090b9d6150200f680f97c1f24a133772237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8797a1de10dcef29c60a6d48a6297090b9d6150200f680f97c1f24a133772237", kill_on_drop: false }`
[INFO] [stdout] 8797a1de10dcef29c60a6d48a6297090b9d6150200f680f97c1f24a133772237