[INFO] fetching crate enigma 0.0.2...
[INFO] checking enigma-0.0.2 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate enigma 0.0.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate enigma 0.0.2 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 enigma 0.0.2
[INFO] finished tweaking crates.io crate enigma 0.0.2
[INFO] tweaked toml for crates.io crate enigma 0.0.2 written to /workspace/builds/worker-1-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 2 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-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6e8804c7d1f4410d685955c880fb450fddd0d1e87ca768d555648804ebf6ad1
[INFO] running `Command { std: "docker" "start" "-a" "b6e8804c7d1f4410d685955c880fb450fddd0d1e87ca768d555648804ebf6ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6e8804c7d1f4410d685955c880fb450fddd0d1e87ca768d555648804ebf6ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e8804c7d1f4410d685955c880fb450fddd0d1e87ca768d555648804ebf6ad1", kill_on_drop: false }`
[INFO] [stdout] b6e8804c7d1f4410d685955c880fb450fddd0d1e87ca768d555648804ebf6ad1
[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=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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84705d84d0e62b6440148f32e51d028487a452fb0ec415ea1eb55576ea84c95b
[INFO] running `Command { std: "docker" "start" "-a" "84705d84d0e62b6440148f32e51d028487a452fb0ec415ea1eb55576ea84c95b", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking enigma v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no function or associated item named `from_elem` found for struct `Vec<_, _>` in the current scope
[INFO] [stdout]   --> src/hashes/mod.rs:96:31
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut result = Vec::from_elem(hash.get_output_length(), 0u8);
[INFO] [stdout]    |                               ^^^^^^^^^ function or associated item not found in `Vec<_, _>`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `Vec<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       Vec::<T>::new
[INFO] [stdout]       Vec::<T>::with_capacity
[INFO] [stdout]       Vec::<T>::try_with_capacity
[INFO] [stdout]       Vec::<T>::from_raw_parts
[INFO] [stdout]       and 6 others
[INFO] [stdout]   --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/alloc/src/vec/mod.rs:422:5
[INFO] [stdout] help: there is an associated function `from_iter` with a similar name
[INFO] [stdout]   --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/iter/traits/collect.rs:150:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `std::string::String` in the current scope
[INFO] [stdout]    --> src/hashes/mod.rs:115:28
[INFO] [stdout]     |
[INFO] [stdout] 115 |         assert!(result_str.as_slice() == test.output_str);
[INFO] [stdout]     |                            ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `enigma` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "84705d84d0e62b6440148f32e51d028487a452fb0ec415ea1eb55576ea84c95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84705d84d0e62b6440148f32e51d028487a452fb0ec415ea1eb55576ea84c95b", kill_on_drop: false }`
[INFO] [stdout] 84705d84d0e62b6440148f32e51d028487a452fb0ec415ea1eb55576ea84c95b
[INFO] checking enigma-0.0.2 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate enigma 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate enigma 0.0.2 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 enigma 0.0.2
[INFO] finished tweaking crates.io crate enigma 0.0.2
[INFO] tweaked toml for crates.io crate enigma 0.0.2 written to /workspace/builds/worker-1-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 2 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 934dbbb0f3afa2094fded27b503592f868a0ddd590784bfeb61be14de15fccbe
[INFO] running `Command { std: "docker" "start" "-a" "934dbbb0f3afa2094fded27b503592f868a0ddd590784bfeb61be14de15fccbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "934dbbb0f3afa2094fded27b503592f868a0ddd590784bfeb61be14de15fccbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "934dbbb0f3afa2094fded27b503592f868a0ddd590784bfeb61be14de15fccbe", kill_on_drop: false }`
[INFO] [stdout] 934dbbb0f3afa2094fded27b503592f868a0ddd590784bfeb61be14de15fccbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 354358fb288a0c012850c0de15e44c4d6ae1bf004fd420302605047b98bc09fd
[INFO] running `Command { std: "docker" "start" "-a" "354358fb288a0c012850c0de15e44c4d6ae1bf004fd420302605047b98bc09fd", 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" "354358fb288a0c012850c0de15e44c4d6ae1bf004fd420302605047b98bc09fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354358fb288a0c012850c0de15e44c4d6ae1bf004fd420302605047b98bc09fd", kill_on_drop: false }`
[INFO] [stdout] 354358fb288a0c012850c0de15e44c4d6ae1bf004fd420302605047b98bc09fd