[INFO] cloning repository https://github.com/tmmoh/IMAP-Email-Client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tmmoh/IMAP-Email-Client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmmoh%2FIMAP-Email-Client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmmoh%2FIMAP-Email-Client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f30f8ecc2a6b32a406cc143e8bbe6cc00e917236
[INFO] checking tmmoh/IMAP-Email-Client against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmmoh%2FIMAP-Email-Client" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tmmoh/IMAP-Email-Client on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tmmoh/IMAP-Email-Client
[INFO] finished tweaking git repo https://github.com/tmmoh/IMAP-Email-Client
[INFO] tweaked toml for git repo https://github.com/tmmoh/IMAP-Email-Client written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tmmoh/IMAP-Email-Client 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63c626d672e7974f9dd625d934f4163b532bb4017492795045dfde49823924db
[INFO] running `Command { std: "docker" "start" "-a" "63c626d672e7974f9dd625d934f4163b532bb4017492795045dfde49823924db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63c626d672e7974f9dd625d934f4163b532bb4017492795045dfde49823924db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c626d672e7974f9dd625d934f4163b532bb4017492795045dfde49823924db", kill_on_drop: false }`
[INFO] [stdout] 63c626d672e7974f9dd625d934f4163b532bb4017492795045dfde49823924db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d7e080e811aea2b44c2a149a8eea6889816e3eb31c8ec4cb8aaa4bb981a545d
[INFO] running `Command { std: "docker" "start" "-a" "5d7e080e811aea2b44c2a149a8eea6889816e3eb31c8ec4cb8aaa4bb981a545d", kill_on_drop: false }`
[INFO] [stderr]     Checking fetchmail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "5d7e080e811aea2b44c2a149a8eea6889816e3eb31c8ec4cb8aaa4bb981a545d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d7e080e811aea2b44c2a149a8eea6889816e3eb31c8ec4cb8aaa4bb981a545d", kill_on_drop: false }`
[INFO] [stdout] 5d7e080e811aea2b44c2a149a8eea6889816e3eb31c8ec4cb8aaa4bb981a545d
[INFO] checking tmmoh/IMAP-Email-Client against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmmoh%2FIMAP-Email-Client" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tmmoh/IMAP-Email-Client on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tmmoh/IMAP-Email-Client
[INFO] finished tweaking git repo https://github.com/tmmoh/IMAP-Email-Client
[INFO] tweaked toml for git repo https://github.com/tmmoh/IMAP-Email-Client written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tmmoh/IMAP-Email-Client 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a80a7bbc06452d865638e82d8ba4430a543cd1a24b4061b491778265a366f29a
[INFO] running `Command { std: "docker" "start" "-a" "a80a7bbc06452d865638e82d8ba4430a543cd1a24b4061b491778265a366f29a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a80a7bbc06452d865638e82d8ba4430a543cd1a24b4061b491778265a366f29a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80a7bbc06452d865638e82d8ba4430a543cd1a24b4061b491778265a366f29a", kill_on_drop: false }`
[INFO] [stdout] a80a7bbc06452d865638e82d8ba4430a543cd1a24b4061b491778265a366f29a
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48137966f8513c080bcfd8d43e66fe508d230f712a52f58a0f0cb7ae3d3066dd
[INFO] running `Command { std: "docker" "start" "-a" "48137966f8513c080bcfd8d43e66fe508d230f712a52f58a0f0cb7ae3d3066dd", kill_on_drop: false }`
[INFO] [stderr]     Checking fetchmail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "48137966f8513c080bcfd8d43e66fe508d230f712a52f58a0f0cb7ae3d3066dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48137966f8513c080bcfd8d43e66fe508d230f712a52f58a0f0cb7ae3d3066dd", kill_on_drop: false }`
[INFO] [stdout] 48137966f8513c080bcfd8d43e66fe508d230f712a52f58a0f0cb7ae3d3066dd