[INFO] cloning repository https://github.com/guillaumearm/rust_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guillaumearm/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguillaumearm%2Frust_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguillaumearm%2Frust_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4d0d0a3a9f17c426812c4fe1e84cdf0702a89b5
[INFO] checking guillaumearm/rust_playground against master#d255c6a57c393db6221b1ff700daea478436f1cd for pr-122317
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguillaumearm%2Frust_playground" "/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/guillaumearm/rust_playground on toolchain d255c6a57c393db6221b1ff700daea478436f1cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d255c6a57c393db6221b1ff700daea478436f1cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guillaumearm/rust_playground
[INFO] finished tweaking git repo https://github.com/guillaumearm/rust_playground
[INFO] tweaked toml for git repo https://github.com/guillaumearm/rust_playground written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/guillaumearm/rust_playground 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" "+d255c6a57c393db6221b1ff700daea478436f1cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d255c6a57c393db6221b1ff700daea478436f1cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62aa2473959b6128552e5415dedea15a0ba2a6750780ca4f5ec3235e1c0175b1
[INFO] running `Command { std: "docker" "start" "-a" "62aa2473959b6128552e5415dedea15a0ba2a6750780ca4f5ec3235e1c0175b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62aa2473959b6128552e5415dedea15a0ba2a6750780ca4f5ec3235e1c0175b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62aa2473959b6128552e5415dedea15a0ba2a6750780ca4f5ec3235e1c0175b1", kill_on_drop: false }`
[INFO] [stdout] 62aa2473959b6128552e5415dedea15a0ba2a6750780ca4f5ec3235e1c0175b1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d255c6a57c393db6221b1ff700daea478436f1cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb026be7b9883f8cf37375f77befc114066a61d3add7d9a2a5baf77cc4c7ed3f
[INFO] running `Command { std: "docker" "start" "-a" "fb026be7b9883f8cf37375f77befc114066a61d3add7d9a2a5baf77cc4c7ed3f", kill_on_drop: false }`
[INFO] [stderr]     Checking garm_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/libs/island/cell.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{From, TryFrom};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]  --> /rustc/d255c6a57c393db6221b1ff700daea478436f1cd/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/libs/island/cell.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{From, TryFrom};
[INFO] [stdout]   |                          ^^^^^^^
[INFO] [stdout]  --> /rustc/d255c6a57c393db6221b1ff700daea478436f1cd/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/libs/island/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/d255c6a57c393db6221b1ff700daea478436f1cd/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/libs/island/cell.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{From, TryFrom};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]  --> /rustc/d255c6a57c393db6221b1ff700daea478436f1cd/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/libs/island/cell.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{From, TryFrom};
[INFO] [stdout]   |                          ^^^^^^^
[INFO] [stdout]  --> /rustc/d255c6a57c393db6221b1ff700daea478436f1cd/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/libs/island/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/d255c6a57c393db6221b1ff700daea478436f1cd/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "fb026be7b9883f8cf37375f77befc114066a61d3add7d9a2a5baf77cc4c7ed3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb026be7b9883f8cf37375f77befc114066a61d3add7d9a2a5baf77cc4c7ed3f", kill_on_drop: false }`
[INFO] [stdout] fb026be7b9883f8cf37375f77befc114066a61d3add7d9a2a5baf77cc4c7ed3f
[INFO] checking guillaumearm/rust_playground against try#1f7553361c08f8eafdc645e09215667278ab86f4 for pr-122317
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguillaumearm%2Frust_playground" "/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/guillaumearm/rust_playground on toolchain 1f7553361c08f8eafdc645e09215667278ab86f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7553361c08f8eafdc645e09215667278ab86f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guillaumearm/rust_playground
[INFO] finished tweaking git repo https://github.com/guillaumearm/rust_playground
[INFO] tweaked toml for git repo https://github.com/guillaumearm/rust_playground written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/guillaumearm/rust_playground 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" "+1f7553361c08f8eafdc645e09215667278ab86f4" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1f7553361c08f8eafdc645e09215667278ab86f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34a43c4e6a414bbf6e2fb8385832d136b2413e91c16fd50a57af3dd10ad88385
[INFO] running `Command { std: "docker" "start" "-a" "34a43c4e6a414bbf6e2fb8385832d136b2413e91c16fd50a57af3dd10ad88385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34a43c4e6a414bbf6e2fb8385832d136b2413e91c16fd50a57af3dd10ad88385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a43c4e6a414bbf6e2fb8385832d136b2413e91c16fd50a57af3dd10ad88385", kill_on_drop: false }`
[INFO] [stdout] 34a43c4e6a414bbf6e2fb8385832d136b2413e91c16fd50a57af3dd10ad88385
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1f7553361c08f8eafdc645e09215667278ab86f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbca59b55bacdfe91146837a9c234818451ad2c4669306d84892a195739ef367
[INFO] running `Command { std: "docker" "start" "-a" "fbca59b55bacdfe91146837a9c234818451ad2c4669306d84892a195739ef367", kill_on_drop: false }`
[INFO] [stderr]     Checking garm_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/libs/island/cell.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{From, TryFrom};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]  --> /rustc/1f7553361c08f8eafdc645e09215667278ab86f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/libs/island/cell.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{From, TryFrom};
[INFO] [stdout]   |                          ^^^^^^^
[INFO] [stdout]  --> /rustc/1f7553361c08f8eafdc645e09215667278ab86f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/libs/island/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/1f7553361c08f8eafdc645e09215667278ab86f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/libs/island/cell.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{From, TryFrom};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]  --> /rustc/1f7553361c08f8eafdc645e09215667278ab86f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/libs/island/cell.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{From, TryFrom};
[INFO] [stdout]   |                          ^^^^^^^
[INFO] [stdout]  --> /rustc/1f7553361c08f8eafdc645e09215667278ab86f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/libs/island/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/1f7553361c08f8eafdc645e09215667278ab86f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/garm_playground-2b8fb70d0f4448f2.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/garm_playground-2b8fb70d0f4448f2/dep-test-lib-garm_playground`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "fbca59b55bacdfe91146837a9c234818451ad2c4669306d84892a195739ef367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbca59b55bacdfe91146837a9c234818451ad2c4669306d84892a195739ef367", kill_on_drop: false }`
[INFO] [stdout] fbca59b55bacdfe91146837a9c234818451ad2c4669306d84892a195739ef367