[INFO] fetching crate tcn 0.4.1...
[INFO] checking tcn-0.4.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate tcn 0.4.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tcn 0.4.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tcn 0.4.1
[INFO] finished tweaking crates.io crate tcn 0.4.1
[INFO] tweaked toml for crates.io crate tcn 0.4.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded curve25519-dalek v2.1.3
[INFO] [stderr]   Downloaded ed25519-zebra v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eebbc27a8a3e6e779fa10cc6bcb0cc4d9677ec5f2b35a71afc4e2b3cdc4b74b7
[INFO] running `Command { std: "docker" "start" "-a" "eebbc27a8a3e6e779fa10cc6bcb0cc4d9677ec5f2b35a71afc4e2b3cdc4b74b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eebbc27a8a3e6e779fa10cc6bcb0cc4d9677ec5f2b35a71afc4e2b3cdc4b74b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eebbc27a8a3e6e779fa10cc6bcb0cc4d9677ec5f2b35a71afc4e2b3cdc4b74b7", kill_on_drop: false }`
[INFO] [stdout] eebbc27a8a3e6e779fa10cc6bcb0cc4d9677ec5f2b35a71afc4e2b3cdc4b74b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9203cce67049b7ef24e21d6e14ae5890ff6e6a9bcc31c84c3eea6d1ae1ce6fef
[INFO] running `Command { std: "docker" "start" "-a" "9203cce67049b7ef24e21d6e14ae5890ff6e6a9bcc31c84c3eea6d1ae1ce6fef", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking curve25519-dalek v2.1.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking ed25519-zebra v0.2.3
[INFO] [stderr]     Checking tcn v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.47s
[INFO] running `Command { std: "docker" "inspect" "9203cce67049b7ef24e21d6e14ae5890ff6e6a9bcc31c84c3eea6d1ae1ce6fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9203cce67049b7ef24e21d6e14ae5890ff6e6a9bcc31c84c3eea6d1ae1ce6fef", kill_on_drop: false }`
[INFO] [stdout] 9203cce67049b7ef24e21d6e14ae5890ff6e6a9bcc31c84c3eea6d1ae1ce6fef