[INFO] fetching crate multitooth 0.0.1...
[INFO] checking multitooth-0.0.1 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate multitooth 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate multitooth 0.0.1 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multitooth 0.0.1
[INFO] finished tweaking crates.io crate multitooth 0.0.1
[INFO] tweaked toml for crates.io crate multitooth 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4177612b2d83a2fb1419ad014a71f263f58bb76e1c715e7b76c543c89219cc7
[INFO] running `Command { std: "docker" "start" "-a" "a4177612b2d83a2fb1419ad014a71f263f58bb76e1c715e7b76c543c89219cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4177612b2d83a2fb1419ad014a71f263f58bb76e1c715e7b76c543c89219cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4177612b2d83a2fb1419ad014a71f263f58bb76e1c715e7b76c543c89219cc7", kill_on_drop: false }`
[INFO] [stdout] a4177612b2d83a2fb1419ad014a71f263f58bb76e1c715e7b76c543c89219cc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf3f097faacc88025d2776dcccbbb7953b5facf64a956a637bde3bb8bcd4cfe2
[INFO] running `Command { std: "docker" "start" "-a" "cf3f097faacc88025d2776dcccbbb7953b5facf64a956a637bde3bb8bcd4cfe2", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.12
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking multitooth v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `convert`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(convert)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(collections)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `convert`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(convert)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(collections)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `tail` found for struct `Vec<String>` in the current scope
[INFO] [stdout]   --> src/main.rs:99:41
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let matches = match opts.parse(args.tail()) {
[INFO] [stdout]    |                                         ^^^^ method not found in `Vec<String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `tail` found for struct `Vec<String>` in the current scope
[INFO] [stdout]   --> src/main.rs:99:41
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let matches = match opts.parse(args.tail()) {
[INFO] [stdout]    |                                         ^^^^ method not found in `Vec<String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `multitooth` (bin "multitooth") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `multitooth` (bin "multitooth" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "cf3f097faacc88025d2776dcccbbb7953b5facf64a956a637bde3bb8bcd4cfe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3f097faacc88025d2776dcccbbb7953b5facf64a956a637bde3bb8bcd4cfe2", kill_on_drop: false }`
[INFO] [stdout] cf3f097faacc88025d2776dcccbbb7953b5facf64a956a637bde3bb8bcd4cfe2
[INFO] checking multitooth-0.0.1 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate multitooth 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate multitooth 0.0.1 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multitooth 0.0.1
[INFO] finished tweaking crates.io crate multitooth 0.0.1
[INFO] tweaked toml for crates.io crate multitooth 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95d6757cf3de1127068e6a9421c1d86db5c9d7f3a19d0678c66c8ff225f37a71
[INFO] running `Command { std: "docker" "start" "-a" "95d6757cf3de1127068e6a9421c1d86db5c9d7f3a19d0678c66c8ff225f37a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95d6757cf3de1127068e6a9421c1d86db5c9d7f3a19d0678c66c8ff225f37a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95d6757cf3de1127068e6a9421c1d86db5c9d7f3a19d0678c66c8ff225f37a71", kill_on_drop: false }`
[INFO] [stdout] 95d6757cf3de1127068e6a9421c1d86db5c9d7f3a19d0678c66c8ff225f37a71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1552bea6ba46df15f63e1635cb452a640be2acf1d3c07af2b5a7df0ccab0c32c
[INFO] running `Command { std: "docker" "start" "-a" "1552bea6ba46df15f63e1635cb452a640be2acf1d3c07af2b5a7df0ccab0c32c", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "1552bea6ba46df15f63e1635cb452a640be2acf1d3c07af2b5a7df0ccab0c32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1552bea6ba46df15f63e1635cb452a640be2acf1d3c07af2b5a7df0ccab0c32c", kill_on_drop: false }`
[INFO] [stdout] 1552bea6ba46df15f63e1635cb452a640be2acf1d3c07af2b5a7df0ccab0c32c