[INFO] fetching crate disc-bot 0.1.0...
[INFO] checking disc-bot-0.1.0 against try#377afada703be70d3fdff9164a481570a3cba7fe for pr-113240
[INFO] extracting crate disc-bot 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate disc-bot 0.1.0 on toolchain 377afada703be70d3fdff9164a481570a3cba7fe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate disc-bot 0.1.0
[INFO] finished tweaking crates.io crate disc-bot 0.1.0
[INFO] tweaked toml for crates.io crate disc-bot 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8337c9f29b0e7d593da078bf43e9563856768caf94a0defbaf0b46af2001f7b2
[INFO] running `Command { std: "docker" "start" "-a" "8337c9f29b0e7d593da078bf43e9563856768caf94a0defbaf0b46af2001f7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8337c9f29b0e7d593da078bf43e9563856768caf94a0defbaf0b46af2001f7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8337c9f29b0e7d593da078bf43e9563856768caf94a0defbaf0b46af2001f7b2", kill_on_drop: false }`
[INFO] [stdout] 8337c9f29b0e7d593da078bf43e9563856768caf94a0defbaf0b46af2001f7b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a64e23dbc5abcc41eac603fba5254b893bee479c4a4a457d82507242ebbadc96
[INFO] running `Command { std: "docker" "start" "-a" "a64e23dbc5abcc41eac603fba5254b893bee479c4a4a457d82507242ebbadc96", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking serde v1.0.164
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking openssl-sys v0.9.90
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.99
[INFO] [stderr]     Checking openssl v0.10.55
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking native-tls v0.2.11
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking disc-bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.99s
[INFO] running `Command { std: "docker" "inspect" "a64e23dbc5abcc41eac603fba5254b893bee479c4a4a457d82507242ebbadc96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64e23dbc5abcc41eac603fba5254b893bee479c4a4a457d82507242ebbadc96", kill_on_drop: false }`
[INFO] [stdout] a64e23dbc5abcc41eac603fba5254b893bee479c4a4a457d82507242ebbadc96