[INFO] fetching crate mailtutan 0.3.0...
[INFO] checking mailtutan-0.3.0 against master#6fc0273b5a57eb78cc00841181113fda3e509478 for pr-112842-1
[INFO] extracting crate mailtutan 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mailtutan 0.3.0 on toolchain 6fc0273b5a57eb78cc00841181113fda3e509478
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6fc0273b5a57eb78cc00841181113fda3e509478" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mailtutan 0.3.0
[INFO] finished tweaking crates.io crate mailtutan 0.3.0
[INFO] tweaked toml for crates.io crate mailtutan 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate mailtutan 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6fc0273b5a57eb78cc00841181113fda3e509478" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded untrusted v0.7.1
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[INFO] [stderr]   Downloaded mailtutan-lib v0.3.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6fc0273b5a57eb78cc00841181113fda3e509478" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13ccff419339220f54d51f7a903a443d9863fbed120fe761126cb4772efaca6e
[INFO] running `Command { std: "docker" "start" "-a" "13ccff419339220f54d51f7a903a443d9863fbed120fe761126cb4772efaca6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13ccff419339220f54d51f7a903a443d9863fbed120fe761126cb4772efaca6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ccff419339220f54d51f7a903a443d9863fbed120fe761126cb4772efaca6e", kill_on_drop: false }`
[INFO] [stdout] 13ccff419339220f54d51f7a903a443d9863fbed120fe761126cb4772efaca6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6fc0273b5a57eb78cc00841181113fda3e509478" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e4144a9b2a62f48d23df46b6aeebca03efcfc357ac1562ce2fdf94a6148d959
[INFO] running `Command { std: "docker" "start" "-a" "4e4144a9b2a62f48d23df46b6aeebca03efcfc357ac1562ce2fdf94a6148d959", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
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[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling memchr v2.5.0
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[INFO] [stderr]     Checking pin-project-lite v0.2.9
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[INFO] [stderr]     Checking sha1 v0.10.5
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[INFO] [stderr]    Compiling serde_derive v1.0.163
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[INFO] [stderr]     Checking mailtutan-lib v0.3.0
[INFO] [stderr]     Checking mailtutan v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "4e4144a9b2a62f48d23df46b6aeebca03efcfc357ac1562ce2fdf94a6148d959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e4144a9b2a62f48d23df46b6aeebca03efcfc357ac1562ce2fdf94a6148d959", kill_on_drop: false }`
[INFO] [stdout] 4e4144a9b2a62f48d23df46b6aeebca03efcfc357ac1562ce2fdf94a6148d959