[INFO] fetching crate mycelial-crdt 0.2.5...
[INFO] checking mycelial-crdt-0.2.5 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate mycelial-crdt 0.2.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mycelial-crdt 0.2.5
[INFO] finished tweaking crates.io crate mycelial-crdt 0.2.5
[INFO] tweaked toml for crates.io crate mycelial-crdt 0.2.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mycelial-crdt 0.2.5 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 58 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 094cc16b76bd9a30c95e7bb463fa2760f6c5be64bcea8d0b8db8466c62b4fc41
[INFO] running `Command { std: "docker" "start" "-a" "094cc16b76bd9a30c95e7bb463fa2760f6c5be64bcea8d0b8db8466c62b4fc41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "094cc16b76bd9a30c95e7bb463fa2760f6c5be64bcea8d0b8db8466c62b4fc41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "094cc16b76bd9a30c95e7bb463fa2760f6c5be64bcea8d0b8db8466c62b4fc41", kill_on_drop: false }`
[INFO] [stdout] 094cc16b76bd9a30c95e7bb463fa2760f6c5be64bcea8d0b8db8466c62b4fc41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 249788556fcc90be6b43a8b10e932b9f3facf25d115bf8dccf11455406b69043
[INFO] running `Command { std: "docker" "start" "-a" "249788556fcc90be6b43a8b10e932b9f3facf25d115bf8dccf11455406b69043", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking rand_core v0.10.1
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking mycelial-crdt v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking env_filter v1.0.1
[INFO] [stderr]     Checking env_logger v0.11.10
[INFO] [stderr]     Checking quickcheck v1.1.0
[INFO] [stdout] warning: unused import: `ListError`
[INFO] [stdout]  --> tests/list.rs:1:63
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mycelial_crdt::list::{Key, ListKey, List, AppendOnlyList, ListError, Op, Value};
[INFO] [stdout]   |                                                               ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.04s
[INFO] running `Command { std: "docker" "inspect" "249788556fcc90be6b43a8b10e932b9f3facf25d115bf8dccf11455406b69043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "249788556fcc90be6b43a8b10e932b9f3facf25d115bf8dccf11455406b69043", kill_on_drop: false }`
[INFO] [stdout] 249788556fcc90be6b43a8b10e932b9f3facf25d115bf8dccf11455406b69043
