[INFO] fetching crate serde_tuple_explicit 1.1.0...
[INFO] testing serde_tuple_explicit-1.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate serde_tuple_explicit 1.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate serde_tuple_explicit 1.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate serde_tuple_explicit 1.1.0
[INFO] tweaked toml for crates.io crate serde_tuple_explicit 1.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_tuple_explicit 1.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde_tuple_explicit 1.1.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86b1f49412147d3f9f8b1cf091733ce336f7316adce9b2eb325218d7e1227e55
[INFO] running `Command { std: "docker" "start" "-a" "86b1f49412147d3f9f8b1cf091733ce336f7316adce9b2eb325218d7e1227e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86b1f49412147d3f9f8b1cf091733ce336f7316adce9b2eb325218d7e1227e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b1f49412147d3f9f8b1cf091733ce336f7316adce9b2eb325218d7e1227e55", kill_on_drop: false }`
[INFO] [stdout] 86b1f49412147d3f9f8b1cf091733ce336f7316adce9b2eb325218d7e1227e55
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef9b0a77bb39c8e5418efa3a82fbb346a71f1fa564a908cb7982872a0d904d4b
[INFO] running `Command { std: "docker" "start" "-a" "ef9b0a77bb39c8e5418efa3a82fbb346a71f1fa564a908cb7982872a0d904d4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling serde_tuple_explicit_macros v1.0.1
[INFO] [stderr]    Compiling serde_tuple_explicit v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.49s
[INFO] running `Command { std: "docker" "inspect" "ef9b0a77bb39c8e5418efa3a82fbb346a71f1fa564a908cb7982872a0d904d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9b0a77bb39c8e5418efa3a82fbb346a71f1fa564a908cb7982872a0d904d4b", kill_on_drop: false }`
[INFO] [stdout] ef9b0a77bb39c8e5418efa3a82fbb346a71f1fa564a908cb7982872a0d904d4b
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c36d7e1f1f7549f30a12eff0cc73771c9941cab869f4a84311ee1a7e7fa7921
[INFO] running `Command { std: "docker" "start" "-a" "5c36d7e1f1f7549f30a12eff0cc73771c9941cab869f4a84311ee1a7e7fa7921", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `itoa v1.0.14`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `itoa v1.0.14`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itoa-1.0.14`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "5c36d7e1f1f7549f30a12eff0cc73771c9941cab869f4a84311ee1a7e7fa7921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c36d7e1f1f7549f30a12eff0cc73771c9941cab869f4a84311ee1a7e7fa7921", kill_on_drop: false }`
[INFO] [stdout] 5c36d7e1f1f7549f30a12eff0cc73771c9941cab869f4a84311ee1a7e7fa7921