[INFO] cloning repository https://github.com/johnchildren/rust-irc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnchildren/rust-irc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnchildren%2Frust-irc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnchildren%2Frust-irc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 712ec1e4fcd08647bc0505fb2f83da68a8303185
[INFO] checking johnchildren/rust-irc against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnchildren%2Frust-irc" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnchildren/rust-irc on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johnchildren/rust-irc
[INFO] finished tweaking git repo https://github.com/johnchildren/rust-irc
[INFO] tweaked toml for git repo https://github.com/johnchildren/rust-irc written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/johnchildren/rust-irc 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.10
[INFO] [stderr]   Downloaded tokio-core v0.1.8
[INFO] [stderr]   Downloaded rmp v0.8.6
[INFO] [stderr]   Downloaded serde v1.0.10
[INFO] [stderr]   Downloaded rmp-serde v0.13.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11b5479d76bbcf550f784565e97f9dd92b8c1648d36553a0b6a3a46ce4325155
[INFO] running `Command { std: "docker" "start" "-a" "11b5479d76bbcf550f784565e97f9dd92b8c1648d36553a0b6a3a46ce4325155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11b5479d76bbcf550f784565e97f9dd92b8c1648d36553a0b6a3a46ce4325155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b5479d76bbcf550f784565e97f9dd92b8c1648d36553a0b6a3a46ce4325155", kill_on_drop: false }`
[INFO] [stdout] 11b5479d76bbcf550f784565e97f9dd92b8c1648d36553a0b6a3a46ce4325155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab0155dbca6c2ce0833a78b4f96cace4b2ebd24d2a43c4b920d06c7813f203a5
[INFO] running `Command { std: "docker" "start" "-a" "ab0155dbca6c2ce0833a78b4f96cace4b2ebd24d2a43c4b920d06c7813f203a5", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking libc v0.2.26
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking serde v1.0.10
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.30
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking bytes v0.4.4
[INFO] [stderr]     Checking rmp v0.8.6
[INFO] [stderr]     Checking mio v0.6.9
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking tokio-io v0.1.2
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking tokio-core v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.10
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking rmp-serde v0.13.4
[INFO] [stderr]     Checking rust-irc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "ab0155dbca6c2ce0833a78b4f96cace4b2ebd24d2a43c4b920d06c7813f203a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0155dbca6c2ce0833a78b4f96cace4b2ebd24d2a43c4b920d06c7813f203a5", kill_on_drop: false }`
[INFO] [stdout] ab0155dbca6c2ce0833a78b4f96cace4b2ebd24d2a43c4b920d06c7813f203a5
[INFO] checking johnchildren/rust-irc against try#d856f2da3433420b7077c0dc7ee9441455bc1302 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnchildren%2Frust-irc" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnchildren/rust-irc on toolchain d856f2da3433420b7077c0dc7ee9441455bc1302
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johnchildren/rust-irc
[INFO] finished tweaking git repo https://github.com/johnchildren/rust-irc
[INFO] tweaked toml for git repo https://github.com/johnchildren/rust-irc written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/johnchildren/rust-irc 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" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff44fccdb1069e67f6dfd4e8f79c71951636348fe3271d26c6d9889c57bee49b
[INFO] running `Command { std: "docker" "start" "-a" "ff44fccdb1069e67f6dfd4e8f79c71951636348fe3271d26c6d9889c57bee49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff44fccdb1069e67f6dfd4e8f79c71951636348fe3271d26c6d9889c57bee49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff44fccdb1069e67f6dfd4e8f79c71951636348fe3271d26c6d9889c57bee49b", kill_on_drop: false }`
[INFO] [stdout] ff44fccdb1069e67f6dfd4e8f79c71951636348fe3271d26c6d9889c57bee49b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e08e64fba9d79cae1f50095e31dfd627cebf042c1327cbbb874a48310220a910
[INFO] running `Command { std: "docker" "start" "-a" "e08e64fba9d79cae1f50095e31dfd627cebf042c1327cbbb874a48310220a910", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking libc v0.2.26
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking serde v1.0.10
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-traits-0.1.40/src/lib.rs:308:54
[INFO] [stdout]     |
[INFO] [stdout] 308 |                             (true,  Ok(exp)) => base.powi(exp as i32),
[INFO] [stdout]     |                                                      ^^^^ multiple `powi` found
[INFO] [stdout] ...
[INFO] [stdout] 321 | float_trait_impl!(Num for f32 f64);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `f128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `f16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `f32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `f64`
[INFO] [stdout]     = note: this error originates in the macro `float_trait_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-traits-0.1.40/src/lib.rs:309:60
[INFO] [stdout]     |
[INFO] [stdout] 309 |                             (false, Ok(exp)) => 1.0 / base.powi(exp as i32),
[INFO] [stdout]     |                                                            ^^^^ multiple `powi` found
[INFO] [stdout] ...
[INFO] [stdout] 321 | float_trait_impl!(Num for f32 f64);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `f128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `f16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `f32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `f64`
[INFO] [stdout]     = note: this error originates in the macro `float_trait_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking net2 v0.2.30
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking bytes v0.4.4
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `num-traits` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e08e64fba9d79cae1f50095e31dfd627cebf042c1327cbbb874a48310220a910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e08e64fba9d79cae1f50095e31dfd627cebf042c1327cbbb874a48310220a910", kill_on_drop: false }`
[INFO] [stdout] e08e64fba9d79cae1f50095e31dfd627cebf042c1327cbbb874a48310220a910